Home / 13,049.82-18,002.04-8,261.70

Finding the Fourth Proportional to 13,049.82, 18,002.04 and 8,261.70

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Solution

The fourth proportional to 13,049.82, 18,002.04 and 8,261.70 is: 11,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.82 : 18,002.04 = 8,261.70 : x
  2. Step 2: Convert to fraction form
    13,049.82/18,002.04 = 8,261.70/x
  3. Step 3: Cross multiply
    13,049.82x = 18,002.04 × 8,261.70
  4. Step 4: Simplify right side
    13,049.82x = 148,727,453.87
  5. Step 5: Solve for x
    x = 148,727,453.87/13,049.82
  6. Step 6: Final answer
    x = 11,396.90

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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.