Home / 22,144.19-30,558.08-12,072.43

Finding the Fourth Proportional to 22,144.19, 30,558.08 and 12,072.43

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Solution

The fourth proportional to 22,144.19, 30,558.08 and 12,072.43 is: 16,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.19 : 30,558.08 = 12,072.43 : x
  2. Step 2: Convert to fraction form
    22,144.19/30,558.08 = 12,072.43/x
  3. Step 3: Cross multiply
    22,144.19x = 30,558.08 × 12,072.43
  4. Step 4: Simplify right side
    22,144.19x = 368,910,110.32
  5. Step 5: Solve for x
    x = 368,910,110.32/22,144.19
  6. Step 6: Final answer
    x = 16,659.46

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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.