Home / 22,176.77-30,604.85-12,105.89

Finding the Fourth Proportional to 22,176.77, 30,604.85 and 12,105.89

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Solution

The fourth proportional to 22,176.77, 30,604.85 and 12,105.89 is: 16,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.77 : 30,604.85 = 12,105.89 : x
  2. Step 2: Convert to fraction form
    22,176.77/30,604.85 = 12,105.89/x
  3. Step 3: Cross multiply
    22,176.77x = 30,604.85 × 12,105.89
  4. Step 4: Simplify right side
    22,176.77x = 370,498,887.04
  5. Step 5: Solve for x
    x = 370,498,887.04/22,176.77
  6. Step 6: Final answer
    x = 16,706.62

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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.