Home / 22,192.76-30,626.53-12,121.12

Finding the Fourth Proportional to 22,192.76, 30,626.53 and 12,121.12

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Solution

The fourth proportional to 22,192.76, 30,626.53 and 12,121.12 is: 16,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.76 : 30,626.53 = 12,121.12 : x
  2. Step 2: Convert to fraction form
    22,192.76/30,626.53 = 12,121.12/x
  3. Step 3: Cross multiply
    22,192.76x = 30,626.53 × 12,121.12
  4. Step 4: Simplify right side
    22,192.76x = 371,227,801.25
  5. Step 5: Solve for x
    x = 371,227,801.25/22,192.76
  6. Step 6: Final answer
    x = 16,727.43

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Half scale
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Double scale
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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.