Home / 19,997.52-27,601.92-11,500.57

Finding the Fourth Proportional to 19,997.52, 27,601.92 and 11,500.57

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Solution

The fourth proportional to 19,997.52, 27,601.92 and 11,500.57 is: 15,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.52 : 27,601.92 = 11,500.57 : x
  2. Step 2: Convert to fraction form
    19,997.52/27,601.92 = 11,500.57/x
  3. Step 3: Cross multiply
    19,997.52x = 27,601.92 × 11,500.57
  4. Step 4: Simplify right side
    19,997.52x = 317,437,755.59
  5. Step 5: Solve for x
    x = 317,437,755.59/19,997.52
  6. Step 6: Final answer
    x = 15,873.86

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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.