Question

Four numbers 16,64,x and 72 are in proportion then the value of x​

Answer 1

Answer:

yup it's true

Answer 2

Answer:

$\frac{16}{64} = \frac{x}{72} \\ \\ = > 64x = 72 \times 16 \\ \\ = > 64x = 1152 \\ \\ = > x = \frac{1152}{64} \\ \\ = > x = 18$

• Thnku :)