Home / 27,640.68-41,432.46-12,837.54

Finding the Fourth Proportional to 27,640.68, 41,432.46 and 12,837.54

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Solution

The fourth proportional to 27,640.68, 41,432.46 and 12,837.54 is: 19,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.68 : 41,432.46 = 12,837.54 : x
  2. Step 2: Convert to fraction form
    27,640.68/41,432.46 = 12,837.54/x
  3. Step 3: Cross multiply
    27,640.68x = 41,432.46 × 12,837.54
  4. Step 4: Simplify right side
    27,640.68x = 531,890,862.55
  5. Step 5: Solve for x
    x = 531,890,862.55/27,640.68
  6. Step 6: Final answer
    x = 19,243.05

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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.