Home / 20,493.12-30,734.82-5,702.52

Finding the Fourth Proportional to 20,493.12, 30,734.82 and 5,702.52

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Solution

The fourth proportional to 20,493.12, 30,734.82 and 5,702.52 is: 8,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493.12 : 30,734.82 = 5,702.52 : x
  2. Step 2: Convert to fraction form
    20,493.12/30,734.82 = 5,702.52/x
  3. Step 3: Cross multiply
    20,493.12x = 30,734.82 × 5,702.52
  4. Step 4: Simplify right side
    20,493.12x = 175,265,925.75
  5. Step 5: Solve for x
    x = 175,265,925.75/20,493.12
  6. Step 6: Final answer
    x = 8,552.43

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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.