Home / 27,855.24-41,778.76-9,137.25

Finding the Fourth Proportional to 27,855.24, 41,778.76 and 9,137.25

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Solution

The fourth proportional to 27,855.24, 41,778.76 and 9,137.25 is: 13,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,855.24 : 41,778.76 = 9,137.25 : x
  2. Step 2: Convert to fraction form
    27,855.24/41,778.76 = 9,137.25/x
  3. Step 3: Cross multiply
    27,855.24x = 41,778.76 × 9,137.25
  4. Step 4: Simplify right side
    27,855.24x = 381,743,013.17
  5. Step 5: Solve for x
    x = 381,743,013.17/27,855.24
  6. Step 6: Final answer
    x = 13,704.53

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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.