Home / 20,601.73-30,891.56-6,557.95

Finding the Fourth Proportional to 20,601.73, 30,891.56 and 6,557.95

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Solution

The fourth proportional to 20,601.73, 30,891.56 and 6,557.95 is: 9,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.73 : 30,891.56 = 6,557.95 : x
  2. Step 2: Convert to fraction form
    20,601.73/30,891.56 = 6,557.95/x
  3. Step 3: Cross multiply
    20,601.73x = 30,891.56 × 6,557.95
  4. Step 4: Simplify right side
    20,601.73x = 202,585,305.90
  5. Step 5: Solve for x
    x = 202,585,305.90/20,601.73
  6. Step 6: Final answer
    x = 9,833.41

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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.