Home / 19,680.75-29,524.10-7,029.52

Finding the Fourth Proportional to 19,680.75, 29,524.10 and 7,029.52

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Solution

The fourth proportional to 19,680.75, 29,524.10 and 7,029.52 is: 10,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.75 : 29,524.10 = 7,029.52 : x
  2. Step 2: Convert to fraction form
    19,680.75/29,524.10 = 7,029.52/x
  3. Step 3: Cross multiply
    19,680.75x = 29,524.10 × 7,029.52
  4. Step 4: Simplify right side
    19,680.75x = 207,540,142.47
  5. Step 5: Solve for x
    x = 207,540,142.47/19,680.75
  6. Step 6: Final answer
    x = 10,545.34

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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.