Home / 18,153.06-27,229.32-8,793.90

Finding the Fourth Proportional to 18,153.06, 27,229.32 and 8,793.90

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Solution

The fourth proportional to 18,153.06, 27,229.32 and 8,793.90 is: 13,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.06 : 27,229.32 = 8,793.90 : x
  2. Step 2: Convert to fraction form
    18,153.06/27,229.32 = 8,793.90/x
  3. Step 3: Cross multiply
    18,153.06x = 27,229.32 × 8,793.90
  4. Step 4: Simplify right side
    18,153.06x = 239,451,917.15
  5. Step 5: Solve for x
    x = 239,451,917.15/18,153.06
  6. Step 6: Final answer
    x = 13,190.72

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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.