Home / 23,171.92-31,951.56-14,785.36

Finding the Fourth Proportional to 23,171.92, 31,951.56 and 14,785.36

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Solution

The fourth proportional to 23,171.92, 31,951.56 and 14,785.36 is: 20,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.92 : 31,951.56 = 14,785.36 : x
  2. Step 2: Convert to fraction form
    23,171.92/31,951.56 = 14,785.36/x
  3. Step 3: Cross multiply
    23,171.92x = 31,951.56 × 14,785.36
  4. Step 4: Simplify right side
    23,171.92x = 472,415,317.16
  5. Step 5: Solve for x
    x = 472,415,317.16/23,171.92
  6. Step 6: Final answer
    x = 20,387.40

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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.