Home / 15,961.50-22,027.02-8,791.44

Finding the Fourth Proportional to 15,961.50, 22,027.02 and 8,791.44

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Solution

The fourth proportional to 15,961.50, 22,027.02 and 8,791.44 is: 12,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.50 : 22,027.02 = 8,791.44 : x
  2. Step 2: Convert to fraction form
    15,961.50/22,027.02 = 8,791.44/x
  3. Step 3: Cross multiply
    15,961.50x = 22,027.02 × 8,791.44
  4. Step 4: Simplify right side
    15,961.50x = 193,649,366.04
  5. Step 5: Solve for x
    x = 193,649,366.04/15,961.50
  6. Step 6: Final answer
    x = 12,132.28

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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.