Home / 13,227.62-19,841.31-3,993.62

Finding the Fourth Proportional to 13,227.62, 19,841.31 and 3,993.62

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Solution

The fourth proportional to 13,227.62, 19,841.31 and 3,993.62 is: 5,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.62 : 19,841.31 = 3,993.62 : x
  2. Step 2: Convert to fraction form
    13,227.62/19,841.31 = 3,993.62/x
  3. Step 3: Cross multiply
    13,227.62x = 19,841.31 × 3,993.62
  4. Step 4: Simplify right side
    13,227.62x = 79,238,652.44
  5. Step 5: Solve for x
    x = 79,238,652.44/13,227.62
  6. Step 6: Final answer
    x = 5,990.39

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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.