Home / 18,614.24-25,669.92-12,229.52

Finding the Fourth Proportional to 18,614.24, 25,669.92 and 12,229.52

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Solution

The fourth proportional to 18,614.24, 25,669.92 and 12,229.52 is: 16,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.24 : 25,669.92 = 12,229.52 : x
  2. Step 2: Convert to fraction form
    18,614.24/25,669.92 = 12,229.52/x
  3. Step 3: Cross multiply
    18,614.24x = 25,669.92 × 12,229.52
  4. Step 4: Simplify right side
    18,614.24x = 313,930,800.04
  5. Step 5: Solve for x
    x = 313,930,800.04/18,614.24
  6. Step 6: Final answer
    x = 16,865.09

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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.