Home / 27,721.70-41,582.55-8,000.90

Finding the Fourth Proportional to 27,721.70, 41,582.55 and 8,000.90

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Solution

The fourth proportional to 27,721.70, 41,582.55 and 8,000.90 is: 12,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.70 : 41,582.55 = 8,000.90 : x
  2. Step 2: Convert to fraction form
    27,721.70/41,582.55 = 8,000.90/x
  3. Step 3: Cross multiply
    27,721.70x = 41,582.55 × 8,000.90
  4. Step 4: Simplify right side
    27,721.70x = 332,697,824.30
  5. Step 5: Solve for x
    x = 332,697,824.30/27,721.70
  6. Step 6: Final answer
    x = 12,001.35

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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.