Home / 20,000.61-29,957.18-12,185.73

Finding the Fourth Proportional to 20,000.61, 29,957.18 and 12,185.73

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Solution

The fourth proportional to 20,000.61, 29,957.18 and 12,185.73 is: 18,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.61 : 29,957.18 = 12,185.73 : x
  2. Step 2: Convert to fraction form
    20,000.61/29,957.18 = 12,185.73/x
  3. Step 3: Cross multiply
    20,000.61x = 29,957.18 × 12,185.73
  4. Step 4: Simplify right side
    20,000.61x = 365,050,046.11
  5. Step 5: Solve for x
    x = 365,050,046.11/20,000.61
  6. Step 6: Final answer
    x = 18,251.95

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1.5x scale

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.