Home / 22,591.39-31,177.36-12,519.62

Finding the Fourth Proportional to 22,591.39, 31,177.36 and 12,519.62

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Solution

The fourth proportional to 22,591.39, 31,177.36 and 12,519.62 is: 17,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.39 : 31,177.36 = 12,519.62 : x
  2. Step 2: Convert to fraction form
    22,591.39/31,177.36 = 12,519.62/x
  3. Step 3: Cross multiply
    22,591.39x = 31,177.36 × 12,519.62
  4. Step 4: Simplify right side
    22,591.39x = 390,328,481.32
  5. Step 5: Solve for x
    x = 390,328,481.32/22,591.39
  6. Step 6: Final answer
    x = 17,277.76

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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.