Home / 19,250.53-28,876.82-5,400.61

Finding the Fourth Proportional to 19,250.53, 28,876.82 and 5,400.61

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Solution

The fourth proportional to 19,250.53, 28,876.82 and 5,400.61 is: 8,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.53 : 28,876.82 = 5,400.61 : x
  2. Step 2: Convert to fraction form
    19,250.53/28,876.82 = 5,400.61/x
  3. Step 3: Cross multiply
    19,250.53x = 28,876.82 × 5,400.61
  4. Step 4: Simplify right side
    19,250.53x = 155,952,415.86
  5. Step 5: Solve for x
    x = 155,952,415.86/19,250.53
  6. Step 6: Final answer
    x = 8,101.20

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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.