Home / 17,220.28-25,844.26-8,902.73

Finding the Fourth Proportional to 17,220.28, 25,844.26 and 8,902.73

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Solution

The fourth proportional to 17,220.28, 25,844.26 and 8,902.73 is: 13,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.28 : 25,844.26 = 8,902.73 : x
  2. Step 2: Convert to fraction form
    17,220.28/25,844.26 = 8,902.73/x
  3. Step 3: Cross multiply
    17,220.28x = 25,844.26 × 8,902.73
  4. Step 4: Simplify right side
    17,220.28x = 230,084,468.83
  5. Step 5: Solve for x
    x = 230,084,468.83/17,220.28
  6. Step 6: Final answer
    x = 13,361.25

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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.