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Finding the Fourth Proportional to 18,592.53, 25,648.19 and 11,871.09

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Solution

The fourth proportional to 18,592.53, 25,648.19 and 11,871.09 is: 16,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.53 : 25,648.19 = 11,871.09 : x
  2. Step 2: Convert to fraction form
    18,592.53/25,648.19 = 11,871.09/x
  3. Step 3: Cross multiply
    18,592.53x = 25,648.19 × 11,871.09
  4. Step 4: Simplify right side
    18,592.53x = 304,471,912.47
  5. Step 5: Solve for x
    x = 304,471,912.47/18,592.53
  6. Step 6: Final answer
    x = 16,376.03

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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.