Home / 26,712.16-40,067.42-11,129.38

Finding the Fourth Proportional to 26,712.16, 40,067.42 and 11,129.38

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Solution

The fourth proportional to 26,712.16, 40,067.42 and 11,129.38 is: 16,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.16 : 40,067.42 = 11,129.38 : x
  2. Step 2: Convert to fraction form
    26,712.16/40,067.42 = 11,129.38/x
  3. Step 3: Cross multiply
    26,712.16x = 40,067.42 × 11,129.38
  4. Step 4: Simplify right side
    26,712.16x = 445,925,542.80
  5. Step 5: Solve for x
    x = 445,925,542.80/26,712.16
  6. Step 6: Final answer
    x = 16,693.73

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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.