Final answer:
The value of x required to make two figures similar depends on the proportions of corresponding sides of the figures. Without the figures or additional information, we cannot determine the exact value of x. The student can solve for x by setting up proportions based on the provided equations if they relate to side lengths.
Step-by-step explanation:
The student is asking about the value of x that would make two figures similar. Similar figures have proportional corresponding sides and angles. Without having the specific figures provided, we can't solve for the value of x that ensures the figures are similar. However, based on the given equations, if these represent side lengths proportionality of similar figures, we can solve for x using cross-multiplication or by setting up proportions and solving the equations.
For example, if given the proportions 15x = 20, we can solve for x by dividing both sides of the equation by 15:
However, without more context, this would just be an example of how one might solve for x if they had the proper proportions from similar figures.