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Finding the Fourth Proportional to 18,846, 26,013.20 and 10,893.84

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Solution

The fourth proportional to 18,846, 26,013.20 and 10,893.84 is: 15,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846 : 26,013.20 = 10,893.84 : x
  2. Step 2: Convert to fraction form
    18,846/26,013.20 = 10,893.84/x
  3. Step 3: Cross multiply
    18,846x = 26,013.20 × 10,893.84
  4. Step 4: Simplify right side
    18,846x = 283,383,638.69
  5. Step 5: Solve for x
    x = 283,383,638.69/18,846
  6. Step 6: Final answer
    x = 15,036.81

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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.