Home / 19,414.46-29,121.73-5,374.53

Finding the Fourth Proportional to 19,414.46, 29,121.73 and 5,374.53

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Solution

The fourth proportional to 19,414.46, 29,121.73 and 5,374.53 is: 8,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.46 : 29,121.73 = 5,374.53 : x
  2. Step 2: Convert to fraction form
    19,414.46/29,121.73 = 5,374.53/x
  3. Step 3: Cross multiply
    19,414.46x = 29,121.73 × 5,374.53
  4. Step 4: Simplify right side
    19,414.46x = 156,515,611.54
  5. Step 5: Solve for x
    x = 156,515,611.54/19,414.46
  6. Step 6: Final answer
    x = 8,061.81

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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.