Home / 22,193.27-30,626.55-12,121.71

Finding the Fourth Proportional to 22,193.27, 30,626.55 and 12,121.71

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Solution

The fourth proportional to 22,193.27, 30,626.55 and 12,121.71 is: 16,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.27 : 30,626.55 = 12,121.71 : x
  2. Step 2: Convert to fraction form
    22,193.27/30,626.55 = 12,121.71/x
  3. Step 3: Cross multiply
    22,193.27x = 30,626.55 × 12,121.71
  4. Step 4: Simplify right side
    22,193.27x = 371,246,157.40
  5. Step 5: Solve for x
    x = 371,246,157.40/22,193.27
  6. Step 6: Final answer
    x = 16,727.87

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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.