Home / 26,542.08-39,827.10-11,761.20

Finding the Fourth Proportional to 26,542.08, 39,827.10 and 11,761.20

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Solution

The fourth proportional to 26,542.08, 39,827.10 and 11,761.20 is: 17,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.08 : 39,827.10 = 11,761.20 : x
  2. Step 2: Convert to fraction form
    26,542.08/39,827.10 = 11,761.20/x
  3. Step 3: Cross multiply
    26,542.08x = 39,827.10 × 11,761.20
  4. Step 4: Simplify right side
    26,542.08x = 468,414,488.52
  5. Step 5: Solve for x
    x = 468,414,488.52/26,542.08
  6. Step 6: Final answer
    x = 17,647.99

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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.