Question

5. If 20, 25, 15 and x are in proportion, find the value of x.
(1) 14 (2) 18 (3) 21
(4) 24


​

Answer 1

$\large\bold\orange{\underline{Answer:-}}$

$\large\implies$ Product of extremes = Product of means

$\large\implies$ x × 20 = 25 × 15

$\large\implies$ x = $\frac{25×15}{20}$

$\large\implies$ x = $\boxed{\bold{\purple{18.75}}}$

Answer 2

Answer:

18

Step-by-step explanation:

20x = 25 × 15

20x = 375

x = 18.75