Home / 18,219.06-27,324.72-5,067.90

Finding the Fourth Proportional to 18,219.06, 27,324.72 and 5,067.90

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Solution

The fourth proportional to 18,219.06, 27,324.72 and 5,067.90 is: 7,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.06 : 27,324.72 = 5,067.90 : x
  2. Step 2: Convert to fraction form
    18,219.06/27,324.72 = 5,067.90/x
  3. Step 3: Cross multiply
    18,219.06x = 27,324.72 × 5,067.90
  4. Step 4: Simplify right side
    18,219.06x = 138,478,948.49
  5. Step 5: Solve for x
    x = 138,478,948.49/18,219.06
  6. Step 6: Final answer
    x = 7,600.77

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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.