Home / 15,181.97-20,951.22-8,468.03

Finding the Fourth Proportional to 15,181.97, 20,951.22 and 8,468.03

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Solution

The fourth proportional to 15,181.97, 20,951.22 and 8,468.03 is: 11,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.97 : 20,951.22 = 8,468.03 : x
  2. Step 2: Convert to fraction form
    15,181.97/20,951.22 = 8,468.03/x
  3. Step 3: Cross multiply
    15,181.97x = 20,951.22 × 8,468.03
  4. Step 4: Simplify right side
    15,181.97x = 177,415,525.78
  5. Step 5: Solve for x
    x = 177,415,525.78/15,181.97
  6. Step 6: Final answer
    x = 11,685.94

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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.