Home / 15,941.20-22,003.08-11,227.60

Finding the Fourth Proportional to 15,941.20, 22,003.08 and 11,227.60

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Solution

The fourth proportional to 15,941.20, 22,003.08 and 11,227.60 is: 15,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.20 : 22,003.08 = 11,227.60 : x
  2. Step 2: Convert to fraction form
    15,941.20/22,003.08 = 11,227.60/x
  3. Step 3: Cross multiply
    15,941.20x = 22,003.08 × 11,227.60
  4. Step 4: Simplify right side
    15,941.20x = 247,041,781.01
  5. Step 5: Solve for x
    x = 247,041,781.01/15,941.20
  6. Step 6: Final answer
    x = 15,497.06

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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.