Home / 22,176.91-30,604.24-12,105.57

Finding the Fourth Proportional to 22,176.91, 30,604.24 and 12,105.57

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Solution

The fourth proportional to 22,176.91, 30,604.24 and 12,105.57 is: 16,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.91 : 30,604.24 = 12,105.57 : x
  2. Step 2: Convert to fraction form
    22,176.91/30,604.24 = 12,105.57/x
  3. Step 3: Cross multiply
    22,176.91x = 30,604.24 × 12,105.57
  4. Step 4: Simplify right side
    22,176.91x = 370,481,769.62
  5. Step 5: Solve for x
    x = 370,481,769.62/22,176.91
  6. Step 6: Final answer
    x = 16,705.74

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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.