Home / 22,144.33-30,558.67-12,072.38

Finding the Fourth Proportional to 22,144.33, 30,558.67 and 12,072.38

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Solution

The fourth proportional to 22,144.33, 30,558.67 and 12,072.38 is: 16,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.33 : 30,558.67 = 12,072.38 : x
  2. Step 2: Convert to fraction form
    22,144.33/30,558.67 = 12,072.38/x
  3. Step 3: Cross multiply
    22,144.33x = 30,558.67 × 12,072.38
  4. Step 4: Simplify right side
    22,144.33x = 368,915,876.53
  5. Step 5: Solve for x
    x = 368,915,876.53/22,144.33
  6. Step 6: Final answer
    x = 16,659.61

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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.