Home / 22,229.08-30,676.05-12,020.04

Finding the Fourth Proportional to 22,229.08, 30,676.05 and 12,020.04

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Solution

The fourth proportional to 22,229.08, 30,676.05 and 12,020.04 is: 16,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.08 : 30,676.05 = 12,020.04 : x
  2. Step 2: Convert to fraction form
    22,229.08/30,676.05 = 12,020.04/x
  3. Step 3: Cross multiply
    22,229.08x = 30,676.05 × 12,020.04
  4. Step 4: Simplify right side
    22,229.08x = 368,727,348.04
  5. Step 5: Solve for x
    x = 368,727,348.04/22,229.08
  6. Step 6: Final answer
    x = 16,587.61

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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.