Home / 18,568.73-27,862.67-12,333.06

Finding the Fourth Proportional to 18,568.73, 27,862.67 and 12,333.06

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Solution

The fourth proportional to 18,568.73, 27,862.67 and 12,333.06 is: 18,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.73 : 27,862.67 = 12,333.06 : x
  2. Step 2: Convert to fraction form
    18,568.73/27,862.67 = 12,333.06/x
  3. Step 3: Cross multiply
    18,568.73x = 27,862.67 × 12,333.06
  4. Step 4: Simplify right side
    18,568.73x = 343,632,011.70
  5. Step 5: Solve for x
    x = 343,632,011.70/18,568.73
  6. Step 6: Final answer
    x = 18,505.95

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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.