Home / 13,294.75-19,940.58-3,433.25

Finding the Fourth Proportional to 13,294.75, 19,940.58 and 3,433.25

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Solution

The fourth proportional to 13,294.75, 19,940.58 and 3,433.25 is: 5,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.75 : 19,940.58 = 3,433.25 : x
  2. Step 2: Convert to fraction form
    13,294.75/19,940.58 = 3,433.25/x
  3. Step 3: Cross multiply
    13,294.75x = 19,940.58 × 3,433.25
  4. Step 4: Simplify right side
    13,294.75x = 68,461,046.14
  5. Step 5: Solve for x
    x = 68,461,046.14/13,294.75
  6. Step 6: Final answer
    x = 5,149.48

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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.