Home / 18,113.97-27,174.87-5,633.76

Finding the Fourth Proportional to 18,113.97, 27,174.87 and 5,633.76

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Solution

The fourth proportional to 18,113.97, 27,174.87 and 5,633.76 is: 8,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.97 : 27,174.87 = 5,633.76 : x
  2. Step 2: Convert to fraction form
    18,113.97/27,174.87 = 5,633.76/x
  3. Step 3: Cross multiply
    18,113.97x = 27,174.87 × 5,633.76
  4. Step 4: Simplify right side
    18,113.97x = 153,096,695.61
  5. Step 5: Solve for x
    x = 153,096,695.61/18,113.97
  6. Step 6: Final answer
    x = 8,451.86

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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.