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Finding the Fourth Proportional to 18,548.54, 25,597 and 10,998.56

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Solution

The fourth proportional to 18,548.54, 25,597 and 10,998.56 is: 15,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.54 : 25,597 = 10,998.56 : x
  2. Step 2: Convert to fraction form
    18,548.54/25,597 = 10,998.56/x
  3. Step 3: Cross multiply
    18,548.54x = 25,597 × 10,998.56
  4. Step 4: Simplify right side
    18,548.54x = 281,530,140.32
  5. Step 5: Solve for x
    x = 281,530,140.32/18,548.54
  6. Step 6: Final answer
    x = 15,178.02

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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.