Home / 24,131.60-36,148.80-13,731.20

Finding the Fourth Proportional to 24,131.60, 36,148.80 and 13,731.20

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Solution

The fourth proportional to 24,131.60, 36,148.80 and 13,731.20 is: 20,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,131.60 : 36,148.80 = 13,731.20 : x
  2. Step 2: Convert to fraction form
    24,131.60/36,148.80 = 13,731.20/x
  3. Step 3: Cross multiply
    24,131.60x = 36,148.80 × 13,731.20
  4. Step 4: Simplify right side
    24,131.60x = 496,366,402.56
  5. Step 5: Solve for x
    x = 496,366,402.56/24,131.60
  6. Step 6: Final answer
    x = 20,569.15

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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.