Find the missing number in this proportion 10/15=?/21

Question

asked Apr 21, 2021 169k views

1 Answer

Lansana Camara · Answer 1 · 2021-04-27T13:56:45+0000

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