Home / 13,829.29-20,743.99-3,441.04

Finding the Fourth Proportional to 13,829.29, 20,743.99 and 3,441.04

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Solution

The fourth proportional to 13,829.29, 20,743.99 and 3,441.04 is: 5,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.29 : 20,743.99 = 3,441.04 : x
  2. Step 2: Convert to fraction form
    13,829.29/20,743.99 = 3,441.04/x
  3. Step 3: Cross multiply
    13,829.29x = 20,743.99 × 3,441.04
  4. Step 4: Simplify right side
    13,829.29x = 71,380,838.89
  5. Step 5: Solve for x
    x = 71,380,838.89/13,829.29
  6. Step 6: Final answer
    x = 5,161.57

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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.