Home / 25,651.96-35,399.43-14,321.21

Finding the Fourth Proportional to 25,651.96, 35,399.43 and 14,321.21

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Solution

The fourth proportional to 25,651.96, 35,399.43 and 14,321.21 is: 19,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.96 : 35,399.43 = 14,321.21 : x
  2. Step 2: Convert to fraction form
    25,651.96/35,399.43 = 14,321.21/x
  3. Step 3: Cross multiply
    25,651.96x = 35,399.43 × 14,321.21
  4. Step 4: Simplify right side
    25,651.96x = 506,962,493.91
  5. Step 5: Solve for x
    x = 506,962,493.91/25,651.96
  6. Step 6: Final answer
    x = 19,763.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.