Home / 18,122.38-27,139.92-16,044.82

Finding the Fourth Proportional to 18,122.38, 27,139.92 and 16,044.82

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Solution

The fourth proportional to 18,122.38, 27,139.92 and 16,044.82 is: 24,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.38 : 27,139.92 = 16,044.82 : x
  2. Step 2: Convert to fraction form
    18,122.38/27,139.92 = 16,044.82/x
  3. Step 3: Cross multiply
    18,122.38x = 27,139.92 × 16,044.82
  4. Step 4: Simplify right side
    18,122.38x = 435,455,131.21
  5. Step 5: Solve for x
    x = 435,455,131.21/18,122.38
  6. Step 6: Final answer
    x = 24,028.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.