Home / 13,250.88-18,286.22-7,282.50

Finding the Fourth Proportional to 13,250.88, 18,286.22 and 7,282.50

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Solution

The fourth proportional to 13,250.88, 18,286.22 and 7,282.50 is: 10,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.88 : 18,286.22 = 7,282.50 : x
  2. Step 2: Convert to fraction form
    13,250.88/18,286.22 = 7,282.50/x
  3. Step 3: Cross multiply
    13,250.88x = 18,286.22 × 7,282.50
  4. Step 4: Simplify right side
    13,250.88x = 133,169,397.15
  5. Step 5: Solve for x
    x = 133,169,397.15/13,250.88
  6. Step 6: Final answer
    x = 10,049.85

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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.