Home / 22,452.46-30,984.05-12,381.86

Finding the Fourth Proportional to 22,452.46, 30,984.05 and 12,381.86

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Solution

The fourth proportional to 22,452.46, 30,984.05 and 12,381.86 is: 17,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.46 : 30,984.05 = 12,381.86 : x
  2. Step 2: Convert to fraction form
    22,452.46/30,984.05 = 12,381.86/x
  3. Step 3: Cross multiply
    22,452.46x = 30,984.05 × 12,381.86
  4. Step 4: Simplify right side
    22,452.46x = 383,640,277.75
  5. Step 5: Solve for x
    x = 383,640,277.75/22,452.46
  6. Step 6: Final answer
    x = 17,086.78

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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.