Home / 17,747.87-24,481.20-11,372.31

Finding the Fourth Proportional to 17,747.87, 24,481.20 and 11,372.31

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Solution

The fourth proportional to 17,747.87, 24,481.20 and 11,372.31 is: 15,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,747.87 : 24,481.20 = 11,372.31 : x
  2. Step 2: Convert to fraction form
    17,747.87/24,481.20 = 11,372.31/x
  3. Step 3: Cross multiply
    17,747.87x = 24,481.20 × 11,372.31
  4. Step 4: Simplify right side
    17,747.87x = 278,407,795.57
  5. Step 5: Solve for x
    x = 278,407,795.57/17,747.87
  6. Step 6: Final answer
    x = 15,686.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.