Home / 22,000.20-33,000.30-7,205.55

Finding the Fourth Proportional to 22,000.20, 33,000.30 and 7,205.55

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Solution

The fourth proportional to 22,000.20, 33,000.30 and 7,205.55 is: 10,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.20 : 33,000.30 = 7,205.55 : x
  2. Step 2: Convert to fraction form
    22,000.20/33,000.30 = 7,205.55/x
  3. Step 3: Cross multiply
    22,000.20x = 33,000.30 × 7,205.55
  4. Step 4: Simplify right side
    22,000.20x = 237,785,311.67
  5. Step 5: Solve for x
    x = 237,785,311.67/22,000.20
  6. Step 6: Final answer
    x = 10,808.33

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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.