Home / 22,190.67-33,286.29-12,392.28

Finding the Fourth Proportional to 22,190.67, 33,286.29 and 12,392.28

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Solution

The fourth proportional to 22,190.67, 33,286.29 and 12,392.28 is: 18,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.67 : 33,286.29 = 12,392.28 : x
  2. Step 2: Convert to fraction form
    22,190.67/33,286.29 = 12,392.28/x
  3. Step 3: Cross multiply
    22,190.67x = 33,286.29 × 12,392.28
  4. Step 4: Simplify right side
    22,190.67x = 412,493,025.84
  5. Step 5: Solve for x
    x = 412,493,025.84/22,190.67
  6. Step 6: Final answer
    x = 18,588.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.