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Finding the Fourth Proportional to 18,493.58, 25,522.09 and 10,944.25

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Solution

The fourth proportional to 18,493.58, 25,522.09 and 10,944.25 is: 15,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.58 : 25,522.09 = 10,944.25 : x
  2. Step 2: Convert to fraction form
    18,493.58/25,522.09 = 10,944.25/x
  3. Step 3: Cross multiply
    18,493.58x = 25,522.09 × 10,944.25
  4. Step 4: Simplify right side
    18,493.58x = 279,320,042.32
  5. Step 5: Solve for x
    x = 279,320,042.32/18,493.58
  6. Step 6: Final answer
    x = 15,103.62

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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.