Home / 18,541.92-27,791.69-6,690.27

Finding the Fourth Proportional to 18,541.92, 27,791.69 and 6,690.27

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Solution

The fourth proportional to 18,541.92, 27,791.69 and 6,690.27 is: 10,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.92 : 27,791.69 = 6,690.27 : x
  2. Step 2: Convert to fraction form
    18,541.92/27,791.69 = 6,690.27/x
  3. Step 3: Cross multiply
    18,541.92x = 27,791.69 × 6,690.27
  4. Step 4: Simplify right side
    18,541.92x = 185,933,876.40
  5. Step 5: Solve for x
    x = 185,933,876.40/18,541.92
  6. Step 6: Final answer
    x = 10,027.76

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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.