Home / 22,240.80-30,691.67-12,169.02

Finding the Fourth Proportional to 22,240.80, 30,691.67 and 12,169.02

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Solution

The fourth proportional to 22,240.80, 30,691.67 and 12,169.02 is: 16,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,240.80 : 30,691.67 = 12,169.02 : x
  2. Step 2: Convert to fraction form
    22,240.80/30,691.67 = 12,169.02/x
  3. Step 3: Cross multiply
    22,240.80x = 30,691.67 × 12,169.02
  4. Step 4: Simplify right side
    22,240.80x = 373,487,546.06
  5. Step 5: Solve for x
    x = 373,487,546.06/22,240.80
  6. Step 6: Final answer
    x = 16,792.90

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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.