Register
Find the missing number in this proportion 10/15=?/21
169k views
3 votes
Find the missing number in this proportion 10/15=?/21

User Tiangolo
by
5.0k points

1 Answer

3 votes

Answer:

x = 14

Explanation:

Using cross products

10 x

----- = --------------

15 21

10*21 = 15x

210 = 15x

Divide each side by 15

210/15 =x

14 =x

User Lansana Camara
by
4.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.2m questions

6.7m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
I need to simplify this expression.
Need answer to math problem!!!​
Which property is shown in the problem below? -8(x-3y-9) = -8x+24y+72 A the associative property B the commutative property C the distributive property D the division property ASAP
Link Copied!