Home / 18,227.10-27,340.66-5,079.82

Finding the Fourth Proportional to 18,227.10, 27,340.66 and 5,079.82

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Solution

The fourth proportional to 18,227.10, 27,340.66 and 5,079.82 is: 7,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.10 : 27,340.66 = 5,079.82 : x
  2. Step 2: Convert to fraction form
    18,227.10/27,340.66 = 5,079.82/x
  3. Step 3: Cross multiply
    18,227.10x = 27,340.66 × 5,079.82
  4. Step 4: Simplify right side
    18,227.10x = 138,885,494.78
  5. Step 5: Solve for x
    x = 138,885,494.78/18,227.10
  6. Step 6: Final answer
    x = 7,619.73

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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.