Home / 18,382.41-27,568.89-5,231.79

Finding the Fourth Proportional to 18,382.41, 27,568.89 and 5,231.79

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Solution

The fourth proportional to 18,382.41, 27,568.89 and 5,231.79 is: 7,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.41 : 27,568.89 = 5,231.79 : x
  2. Step 2: Convert to fraction form
    18,382.41/27,568.89 = 5,231.79/x
  3. Step 3: Cross multiply
    18,382.41x = 27,568.89 × 5,231.79
  4. Step 4: Simplify right side
    18,382.41x = 144,234,643.01
  5. Step 5: Solve for x
    x = 144,234,643.01/18,382.41
  6. Step 6: Final answer
    x = 7,846.34

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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.