Home / 13,841.82-20,757.60-5,519.34

Finding the Fourth Proportional to 13,841.82, 20,757.60 and 5,519.34

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Solution

The fourth proportional to 13,841.82, 20,757.60 and 5,519.34 is: 8,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.82 : 20,757.60 = 5,519.34 : x
  2. Step 2: Convert to fraction form
    13,841.82/20,757.60 = 5,519.34/x
  3. Step 3: Cross multiply
    13,841.82x = 20,757.60 × 5,519.34
  4. Step 4: Simplify right side
    13,841.82x = 114,568,251.98
  5. Step 5: Solve for x
    x = 114,568,251.98/13,841.82
  6. Step 6: Final answer
    x = 8,276.96

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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.