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Finding the Fourth Proportional to 18,596.39, 25,654.43 and 11,038.43

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Solution

The fourth proportional to 18,596.39, 25,654.43 and 11,038.43 is: 15,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.39 : 25,654.43 = 11,038.43 : x
  2. Step 2: Convert to fraction form
    18,596.39/25,654.43 = 11,038.43/x
  3. Step 3: Cross multiply
    18,596.39x = 25,654.43 × 11,038.43
  4. Step 4: Simplify right side
    18,596.39x = 283,184,721.48
  5. Step 5: Solve for x
    x = 283,184,721.48/18,596.39
  6. Step 6: Final answer
    x = 15,227.94

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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.