Home / 18,163.53-27,236.52-7,630.56

Finding the Fourth Proportional to 18,163.53, 27,236.52 and 7,630.56

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Solution

The fourth proportional to 18,163.53, 27,236.52 and 7,630.56 is: 11,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.53 : 27,236.52 = 7,630.56 : x
  2. Step 2: Convert to fraction form
    18,163.53/27,236.52 = 7,630.56/x
  3. Step 3: Cross multiply
    18,163.53x = 27,236.52 × 7,630.56
  4. Step 4: Simplify right side
    18,163.53x = 207,829,900.05
  5. Step 5: Solve for x
    x = 207,829,900.05/18,163.53
  6. Step 6: Final answer
    x = 11,442.15

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1.5x scale

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.