Home / 13,381.92-20,069.82-5,062.86

Finding the Fourth Proportional to 13,381.92, 20,069.82 and 5,062.86

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Solution

The fourth proportional to 13,381.92, 20,069.82 and 5,062.86 is: 7,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.92 : 20,069.82 = 5,062.86 : x
  2. Step 2: Convert to fraction form
    13,381.92/20,069.82 = 5,062.86/x
  3. Step 3: Cross multiply
    13,381.92x = 20,069.82 × 5,062.86
  4. Step 4: Simplify right side
    13,381.92x = 101,610,688.89
  5. Step 5: Solve for x
    x = 101,610,688.89/13,381.92
  6. Step 6: Final answer
    x = 7,593.13

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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.