Home / 27,255.13-40,882.69-8,787.13

Finding the Fourth Proportional to 27,255.13, 40,882.69 and 8,787.13

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Solution

The fourth proportional to 27,255.13, 40,882.69 and 8,787.13 is: 13,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.13 : 40,882.69 = 8,787.13 : x
  2. Step 2: Convert to fraction form
    27,255.13/40,882.69 = 8,787.13/x
  3. Step 3: Cross multiply
    27,255.13x = 40,882.69 × 8,787.13
  4. Step 4: Simplify right side
    27,255.13x = 359,241,511.78
  5. Step 5: Solve for x
    x = 359,241,511.78/27,255.13
  6. Step 6: Final answer
    x = 13,180.69

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1.5x scale

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.