Home / 18,583.56-27,810.61-15,212.88

Finding the Fourth Proportional to 18,583.56, 27,810.61 and 15,212.88

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Solution

The fourth proportional to 18,583.56, 27,810.61 and 15,212.88 is: 22,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.56 : 27,810.61 = 15,212.88 : x
  2. Step 2: Convert to fraction form
    18,583.56/27,810.61 = 15,212.88/x
  3. Step 3: Cross multiply
    18,583.56x = 27,810.61 × 15,212.88
  4. Step 4: Simplify right side
    18,583.56x = 423,079,434.62
  5. Step 5: Solve for x
    x = 423,079,434.62/18,583.56
  6. Step 6: Final answer
    x = 22,766.33

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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.