Home / 27,515.24-41,272.85-9,985.04

Finding the Fourth Proportional to 27,515.24, 41,272.85 and 9,985.04

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Solution

The fourth proportional to 27,515.24, 41,272.85 and 9,985.04 is: 14,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.24 : 41,272.85 = 9,985.04 : x
  2. Step 2: Convert to fraction form
    27,515.24/41,272.85 = 9,985.04/x
  3. Step 3: Cross multiply
    27,515.24x = 41,272.85 × 9,985.04
  4. Step 4: Simplify right side
    27,515.24x = 412,110,876.76
  5. Step 5: Solve for x
    x = 412,110,876.76/27,515.24
  6. Step 6: Final answer
    x = 14,977.55

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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.