Home / 26,481.24-39,726.75-8,712.90

Finding the Fourth Proportional to 26,481.24, 39,726.75 and 8,712.90

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Solution

The fourth proportional to 26,481.24, 39,726.75 and 8,712.90 is: 13,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.24 : 39,726.75 = 8,712.90 : x
  2. Step 2: Convert to fraction form
    26,481.24/39,726.75 = 8,712.90/x
  3. Step 3: Cross multiply
    26,481.24x = 39,726.75 × 8,712.90
  4. Step 4: Simplify right side
    26,481.24x = 346,135,200.08
  5. Step 5: Solve for x
    x = 346,135,200.08/26,481.24
  6. Step 6: Final answer
    x = 13,070.96

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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.