Home / 18,469.72-25,488.66-10,512.82

Finding the Fourth Proportional to 18,469.72, 25,488.66 and 10,512.82

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Solution

The fourth proportional to 18,469.72, 25,488.66 and 10,512.82 is: 14,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.72 : 25,488.66 = 10,512.82 : x
  2. Step 2: Convert to fraction form
    18,469.72/25,488.66 = 10,512.82/x
  3. Step 3: Cross multiply
    18,469.72x = 25,488.66 × 10,512.82
  4. Step 4: Simplify right side
    18,469.72x = 267,957,694.62
  5. Step 5: Solve for x
    x = 267,957,694.62/18,469.72
  6. Step 6: Final answer
    x = 14,507.95

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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.