Home / 13,344.33-18,414.96-7,376.25

Finding the Fourth Proportional to 13,344.33, 18,414.96 and 7,376.25

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Solution

The fourth proportional to 13,344.33, 18,414.96 and 7,376.25 is: 10,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.33 : 18,414.96 = 7,376.25 : x
  2. Step 2: Convert to fraction form
    13,344.33/18,414.96 = 7,376.25/x
  3. Step 3: Cross multiply
    13,344.33x = 18,414.96 × 7,376.25
  4. Step 4: Simplify right side
    13,344.33x = 135,833,348.70
  5. Step 5: Solve for x
    x = 135,833,348.70/13,344.33
  6. Step 6: Final answer
    x = 10,179.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.