Home / 25,487.19-38,254.13-13,654.32

Finding the Fourth Proportional to 25,487.19, 38,254.13 and 13,654.32

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Solution

The fourth proportional to 25,487.19, 38,254.13 and 13,654.32 is: 20,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.19 : 38,254.13 = 13,654.32 : x
  2. Step 2: Convert to fraction form
    25,487.19/38,254.13 = 13,654.32/x
  3. Step 3: Cross multiply
    25,487.19x = 38,254.13 × 13,654.32
  4. Step 4: Simplify right side
    25,487.19x = 522,334,263.81
  5. Step 5: Solve for x
    x = 522,334,263.81/25,487.19
  6. Step 6: Final answer
    x = 20,493.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.