Home / 18,581.87-27,872.20-4,541.97

Finding the Fourth Proportional to 18,581.87, 27,872.20 and 4,541.97

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Solution

The fourth proportional to 18,581.87, 27,872.20 and 4,541.97 is: 6,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.87 : 27,872.20 = 4,541.97 : x
  2. Step 2: Convert to fraction form
    18,581.87/27,872.20 = 4,541.97/x
  3. Step 3: Cross multiply
    18,581.87x = 27,872.20 × 4,541.97
  4. Step 4: Simplify right side
    18,581.87x = 126,594,806.43
  5. Step 5: Solve for x
    x = 126,594,806.43/18,581.87
  6. Step 6: Final answer
    x = 6,812.81

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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.