Home / 27,515.45-41,257.68-8,791.10

Finding the Fourth Proportional to 27,515.45, 41,257.68 and 8,791.10

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Solution

The fourth proportional to 27,515.45, 41,257.68 and 8,791.10 is: 13,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.45 : 41,257.68 = 8,791.10 : x
  2. Step 2: Convert to fraction form
    27,515.45/41,257.68 = 8,791.10/x
  3. Step 3: Cross multiply
    27,515.45x = 41,257.68 × 8,791.10
  4. Step 4: Simplify right side
    27,515.45x = 362,700,390.65
  5. Step 5: Solve for x
    x = 362,700,390.65/27,515.45
  6. Step 6: Final answer
    x = 13,181.70

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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.