Home / 13,293.24-19,940.82-3,432.60

Finding the Fourth Proportional to 13,293.24, 19,940.82 and 3,432.60

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Solution

The fourth proportional to 13,293.24, 19,940.82 and 3,432.60 is: 5,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.24 : 19,940.82 = 3,432.60 : x
  2. Step 2: Convert to fraction form
    13,293.24/19,940.82 = 3,432.60/x
  3. Step 3: Cross multiply
    13,293.24x = 19,940.82 × 3,432.60
  4. Step 4: Simplify right side
    13,293.24x = 68,448,858.73
  5. Step 5: Solve for x
    x = 68,448,858.73/13,293.24
  6. Step 6: Final answer
    x = 5,149.15

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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.