Home / 22,192.75-30,626.24-12,121.48

Finding the Fourth Proportional to 22,192.75, 30,626.24 and 12,121.48

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Solution

The fourth proportional to 22,192.75, 30,626.24 and 12,121.48 is: 16,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.75 : 30,626.24 = 12,121.48 : x
  2. Step 2: Convert to fraction form
    22,192.75/30,626.24 = 12,121.48/x
  3. Step 3: Cross multiply
    22,192.75x = 30,626.24 × 12,121.48
  4. Step 4: Simplify right side
    22,192.75x = 371,235,355.64
  5. Step 5: Solve for x
    x = 371,235,355.64/22,192.75
  6. Step 6: Final answer
    x = 16,727.78

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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.