Home / 18,151.68-27,231.16-6,463.38

Finding the Fourth Proportional to 18,151.68, 27,231.16 and 6,463.38

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Solution

The fourth proportional to 18,151.68, 27,231.16 and 6,463.38 is: 9,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.68 : 27,231.16 = 6,463.38 : x
  2. Step 2: Convert to fraction form
    18,151.68/27,231.16 = 6,463.38/x
  3. Step 3: Cross multiply
    18,151.68x = 27,231.16 × 6,463.38
  4. Step 4: Simplify right side
    18,151.68x = 176,005,334.92
  5. Step 5: Solve for x
    x = 176,005,334.92/18,151.68
  6. Step 6: Final answer
    x = 9,696.37

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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.