Home / 22,176.62-30,604.40-12,105.72

Finding the Fourth Proportional to 22,176.62, 30,604.40 and 12,105.72

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Solution

The fourth proportional to 22,176.62, 30,604.40 and 12,105.72 is: 16,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.62 : 30,604.40 = 12,105.72 : x
  2. Step 2: Convert to fraction form
    22,176.62/30,604.40 = 12,105.72/x
  3. Step 3: Cross multiply
    22,176.62x = 30,604.40 × 12,105.72
  4. Step 4: Simplify right side
    22,176.62x = 370,488,297.17
  5. Step 5: Solve for x
    x = 370,488,297.17/22,176.62
  6. Step 6: Final answer
    x = 16,706.26

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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.