Home / 22,452.12-30,982.44-12,379.96

Finding the Fourth Proportional to 22,452.12, 30,982.44 and 12,379.96

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Solution

The fourth proportional to 22,452.12, 30,982.44 and 12,379.96 is: 17,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.12 : 30,982.44 = 12,379.96 : x
  2. Step 2: Convert to fraction form
    22,452.12/30,982.44 = 12,379.96/x
  3. Step 3: Cross multiply
    22,452.12x = 30,982.44 × 12,379.96
  4. Step 4: Simplify right side
    22,452.12x = 383,561,367.90
  5. Step 5: Solve for x
    x = 383,561,367.90/22,452.12
  6. Step 6: Final answer
    x = 17,083.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.