Home / 22,147.38-33,221.07-10,461.78

Finding the Fourth Proportional to 22,147.38, 33,221.07 and 10,461.78

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Solution

The fourth proportional to 22,147.38, 33,221.07 and 10,461.78 is: 15,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.38 : 33,221.07 = 10,461.78 : x
  2. Step 2: Convert to fraction form
    22,147.38/33,221.07 = 10,461.78/x
  3. Step 3: Cross multiply
    22,147.38x = 33,221.07 × 10,461.78
  4. Step 4: Simplify right side
    22,147.38x = 347,551,525.70
  5. Step 5: Solve for x
    x = 347,551,525.70/22,147.38
  6. Step 6: Final answer
    x = 15,692.67

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Double scale
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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.