Home / 38,013.71-57,016.91-11,711.39

Finding the Fourth Proportional to 38,013.71, 57,016.91 and 11,711.39

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Solution

The fourth proportional to 38,013.71, 57,016.91 and 11,711.39 is: 17,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.71 : 57,016.91 = 11,711.39 : x
  2. Step 2: Convert to fraction form
    38,013.71/57,016.91 = 11,711.39/x
  3. Step 3: Cross multiply
    38,013.71x = 57,016.91 × 11,711.39
  4. Step 4: Simplify right side
    38,013.71x = 667,747,013.80
  5. Step 5: Solve for x
    x = 667,747,013.80/38,013.71
  6. Step 6: Final answer
    x = 17,565.95

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1.5x scale

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.