Home / 13,824.33-20,732.82-3,960.96

Finding the Fourth Proportional to 13,824.33, 20,732.82 and 3,960.96

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Solution

The fourth proportional to 13,824.33, 20,732.82 and 3,960.96 is: 5,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.33 : 20,732.82 = 3,960.96 : x
  2. Step 2: Convert to fraction form
    13,824.33/20,732.82 = 3,960.96/x
  3. Step 3: Cross multiply
    13,824.33x = 20,732.82 × 3,960.96
  4. Step 4: Simplify right side
    13,824.33x = 82,121,870.71
  5. Step 5: Solve for x
    x = 82,121,870.71/13,824.33
  6. Step 6: Final answer
    x = 5,940.39

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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.