Home / 17,005.44-25,498.16-8,680

Finding the Fourth Proportional to 17,005.44, 25,498.16 and 8,680

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Solution

The fourth proportional to 17,005.44, 25,498.16 and 8,680 is: 13,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.44 : 25,498.16 = 8,680 : x
  2. Step 2: Convert to fraction form
    17,005.44/25,498.16 = 8,680/x
  3. Step 3: Cross multiply
    17,005.44x = 25,498.16 × 8,680
  4. Step 4: Simplify right side
    17,005.44x = 221,324,028.80
  5. Step 5: Solve for x
    x = 221,324,028.80/17,005.44
  6. Step 6: Final answer
    x = 13,014.90

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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.