Home / 15,194.30-20,969.19-8,481.24

Finding the Fourth Proportional to 15,194.30, 20,969.19 and 8,481.24

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Solution

The fourth proportional to 15,194.30, 20,969.19 and 8,481.24 is: 11,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.30 : 20,969.19 = 8,481.24 : x
  2. Step 2: Convert to fraction form
    15,194.30/20,969.19 = 8,481.24/x
  3. Step 3: Cross multiply
    15,194.30x = 20,969.19 × 8,481.24
  4. Step 4: Simplify right side
    15,194.30x = 177,844,733.00
  5. Step 5: Solve for x
    x = 177,844,733.00/15,194.30
  6. Step 6: Final answer
    x = 11,704.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.