Home / 18,067.23-27,100.85-4,919.58

Finding the Fourth Proportional to 18,067.23, 27,100.85 and 4,919.58

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Solution

The fourth proportional to 18,067.23, 27,100.85 and 4,919.58 is: 7,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.23 : 27,100.85 = 4,919.58 : x
  2. Step 2: Convert to fraction form
    18,067.23/27,100.85 = 4,919.58/x
  3. Step 3: Cross multiply
    18,067.23x = 27,100.85 × 4,919.58
  4. Step 4: Simplify right side
    18,067.23x = 133,324,775.05
  5. Step 5: Solve for x
    x = 133,324,775.05/18,067.23
  6. Step 6: Final answer
    x = 7,379.37

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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.