Home / 20,834.73-31,252.10-12,064.86

Finding the Fourth Proportional to 20,834.73, 31,252.10 and 12,064.86

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Solution

The fourth proportional to 20,834.73, 31,252.10 and 12,064.86 is: 18,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834.73 : 31,252.10 = 12,064.86 : x
  2. Step 2: Convert to fraction form
    20,834.73/31,252.10 = 12,064.86/x
  3. Step 3: Cross multiply
    20,834.73x = 31,252.10 × 12,064.86
  4. Step 4: Simplify right side
    20,834.73x = 377,052,211.21
  5. Step 5: Solve for x
    x = 377,052,211.21/20,834.73
  6. Step 6: Final answer
    x = 18,097.29

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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.