Home / 26,411.13-39,623.19-7,691.33

Finding the Fourth Proportional to 26,411.13, 39,623.19 and 7,691.33

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Solution

The fourth proportional to 26,411.13, 39,623.19 and 7,691.33 is: 11,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,411.13 : 39,623.19 = 7,691.33 : x
  2. Step 2: Convert to fraction form
    26,411.13/39,623.19 = 7,691.33/x
  3. Step 3: Cross multiply
    26,411.13x = 39,623.19 × 7,691.33
  4. Step 4: Simplify right side
    26,411.13x = 304,754,831.83
  5. Step 5: Solve for x
    x = 304,754,831.83/26,411.13
  6. Step 6: Final answer
    x = 11,538.88

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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.