Home / 13,614.76-20,423.16-3,753.96

Finding the Fourth Proportional to 13,614.76, 20,423.16 and 3,753.96

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Solution

The fourth proportional to 13,614.76, 20,423.16 and 3,753.96 is: 5,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.76 : 20,423.16 = 3,753.96 : x
  2. Step 2: Convert to fraction form
    13,614.76/20,423.16 = 3,753.96/x
  3. Step 3: Cross multiply
    13,614.76x = 20,423.16 × 3,753.96
  4. Step 4: Simplify right side
    13,614.76x = 76,667,649.13
  5. Step 5: Solve for x
    x = 76,667,649.13/13,614.76
  6. Step 6: Final answer
    x = 5,631.22

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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.