Home / 17,729.28-26,545.92-11,873.28

Finding the Fourth Proportional to 17,729.28, 26,545.92 and 11,873.28

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Solution

The fourth proportional to 17,729.28, 26,545.92 and 11,873.28 is: 17,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,729.28 : 26,545.92 = 11,873.28 : x
  2. Step 2: Convert to fraction form
    17,729.28/26,545.92 = 11,873.28/x
  3. Step 3: Cross multiply
    17,729.28x = 26,545.92 × 11,873.28
  4. Step 4: Simplify right side
    17,729.28x = 315,187,141.02
  5. Step 5: Solve for x
    x = 315,187,141.02/17,729.28
  6. Step 6: Final answer
    x = 17,777.77

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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.