Home / 18,149.50-27,160.46-11,127.61

Finding the Fourth Proportional to 18,149.50, 27,160.46 and 11,127.61

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Solution

The fourth proportional to 18,149.50, 27,160.46 and 11,127.61 is: 16,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.50 : 27,160.46 = 11,127.61 : x
  2. Step 2: Convert to fraction form
    18,149.50/27,160.46 = 11,127.61/x
  3. Step 3: Cross multiply
    18,149.50x = 27,160.46 × 11,127.61
  4. Step 4: Simplify right side
    18,149.50x = 302,230,814.86
  5. Step 5: Solve for x
    x = 302,230,814.86/18,149.50
  6. Step 6: Final answer
    x = 16,652.30

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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.