Home / 18,307.20-27,463.64-6,462.55

Finding the Fourth Proportional to 18,307.20, 27,463.64 and 6,462.55

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Solution

The fourth proportional to 18,307.20, 27,463.64 and 6,462.55 is: 9,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.20 : 27,463.64 = 6,462.55 : x
  2. Step 2: Convert to fraction form
    18,307.20/27,463.64 = 6,462.55/x
  3. Step 3: Cross multiply
    18,307.20x = 27,463.64 × 6,462.55
  4. Step 4: Simplify right side
    18,307.20x = 177,485,146.68
  5. Step 5: Solve for x
    x = 177,485,146.68/18,307.20
  6. Step 6: Final answer
    x = 9,694.83

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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.