Home / 13,712.46-20,553.15-6,301.61

Finding the Fourth Proportional to 13,712.46, 20,553.15 and 6,301.61

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Solution

The fourth proportional to 13,712.46, 20,553.15 and 6,301.61 is: 9,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.46 : 20,553.15 = 6,301.61 : x
  2. Step 2: Convert to fraction form
    13,712.46/20,553.15 = 6,301.61/x
  3. Step 3: Cross multiply
    13,712.46x = 20,553.15 × 6,301.61
  4. Step 4: Simplify right side
    13,712.46x = 129,517,935.57
  5. Step 5: Solve for x
    x = 129,517,935.57/13,712.46
  6. Step 6: Final answer
    x = 9,445.27

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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.