Home / 24,721.79-34,116.11-13,391.31

Finding the Fourth Proportional to 24,721.79, 34,116.11 and 13,391.31

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Solution

The fourth proportional to 24,721.79, 34,116.11 and 13,391.31 is: 18,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,721.79 : 34,116.11 = 13,391.31 : x
  2. Step 2: Convert to fraction form
    24,721.79/34,116.11 = 13,391.31/x
  3. Step 3: Cross multiply
    24,721.79x = 34,116.11 × 13,391.31
  4. Step 4: Simplify right side
    24,721.79x = 456,859,405.00
  5. Step 5: Solve for x
    x = 456,859,405.00/24,721.79
  6. Step 6: Final answer
    x = 18,480.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.