Home / 13,344.04-18,414.57-7,375.60

Finding the Fourth Proportional to 13,344.04, 18,414.57 and 7,375.60

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Solution

The fourth proportional to 13,344.04, 18,414.57 and 7,375.60 is: 10,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.04 : 18,414.57 = 7,375.60 : x
  2. Step 2: Convert to fraction form
    13,344.04/18,414.57 = 7,375.60/x
  3. Step 3: Cross multiply
    13,344.04x = 18,414.57 × 7,375.60
  4. Step 4: Simplify right side
    13,344.04x = 135,818,502.49
  5. Step 5: Solve for x
    x = 135,818,502.49/13,344.04
  6. Step 6: Final answer
    x = 10,178.21

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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.