Home / 19,943.20-29,912.97-6,092.20

Finding the Fourth Proportional to 19,943.20, 29,912.97 and 6,092.20

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Solution

The fourth proportional to 19,943.20, 29,912.97 and 6,092.20 is: 9,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.20 : 29,912.97 = 6,092.20 : x
  2. Step 2: Convert to fraction form
    19,943.20/29,912.97 = 6,092.20/x
  3. Step 3: Cross multiply
    19,943.20x = 29,912.97 × 6,092.20
  4. Step 4: Simplify right side
    19,943.20x = 182,235,721.05
  5. Step 5: Solve for x
    x = 182,235,721.05/19,943.20
  6. Step 6: Final answer
    x = 9,137.74

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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.