Home / 15,951.97-22,018.56-9,239.25

Finding the Fourth Proportional to 15,951.97, 22,018.56 and 9,239.25

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Solution

The fourth proportional to 15,951.97, 22,018.56 and 9,239.25 is: 12,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.97 : 22,018.56 = 9,239.25 : x
  2. Step 2: Convert to fraction form
    15,951.97/22,018.56 = 9,239.25/x
  3. Step 3: Cross multiply
    15,951.97x = 22,018.56 × 9,239.25
  4. Step 4: Simplify right side
    15,951.97x = 203,434,930.53
  5. Step 5: Solve for x
    x = 203,434,930.53/15,951.97
  6. Step 6: Final answer
    x = 12,752.96

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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.