Home / 18,697.92-25,791.66-12,732.27

Finding the Fourth Proportional to 18,697.92, 25,791.66 and 12,732.27

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Solution

The fourth proportional to 18,697.92, 25,791.66 and 12,732.27 is: 17,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.92 : 25,791.66 = 12,732.27 : x
  2. Step 2: Convert to fraction form
    18,697.92/25,791.66 = 12,732.27/x
  3. Step 3: Cross multiply
    18,697.92x = 25,791.66 × 12,732.27
  4. Step 4: Simplify right side
    18,697.92x = 328,386,378.87
  5. Step 5: Solve for x
    x = 328,386,378.87/18,697.92
  6. Step 6: Final answer
    x = 17,562.72

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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.