Home / 17,811.82-26,721.38-5,966.79

Finding the Fourth Proportional to 17,811.82, 26,721.38 and 5,966.79

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Solution

The fourth proportional to 17,811.82, 26,721.38 and 5,966.79 is: 8,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.82 : 26,721.38 = 5,966.79 : x
  2. Step 2: Convert to fraction form
    17,811.82/26,721.38 = 5,966.79/x
  3. Step 3: Cross multiply
    17,811.82x = 26,721.38 × 5,966.79
  4. Step 4: Simplify right side
    17,811.82x = 159,440,862.97
  5. Step 5: Solve for x
    x = 159,440,862.97/17,811.82
  6. Step 6: Final answer
    x = 8,951.41

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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.