Home / 17,711.87-26,565.57-5,231.66

Finding the Fourth Proportional to 17,711.87, 26,565.57 and 5,231.66

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Solution

The fourth proportional to 17,711.87, 26,565.57 and 5,231.66 is: 7,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.87 : 26,565.57 = 5,231.66 : x
  2. Step 2: Convert to fraction form
    17,711.87/26,565.57 = 5,231.66/x
  3. Step 3: Cross multiply
    17,711.87x = 26,565.57 × 5,231.66
  4. Step 4: Simplify right side
    17,711.87x = 138,981,897.12
  5. Step 5: Solve for x
    x = 138,981,897.12/17,711.87
  6. Step 6: Final answer
    x = 7,846.82

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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.