Home / 18,149.38-27,218.31-5,834.50

Finding the Fourth Proportional to 18,149.38, 27,218.31 and 5,834.50

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Solution

The fourth proportional to 18,149.38, 27,218.31 and 5,834.50 is: 8,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.38 : 27,218.31 = 5,834.50 : x
  2. Step 2: Convert to fraction form
    18,149.38/27,218.31 = 5,834.50/x
  3. Step 3: Cross multiply
    18,149.38x = 27,218.31 × 5,834.50
  4. Step 4: Simplify right side
    18,149.38x = 158,805,229.70
  5. Step 5: Solve for x
    x = 158,805,229.70/18,149.38
  6. Step 6: Final answer
    x = 8,749.90

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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.