Home / 15,456.33-23,148.43-11,286

Finding the Fourth Proportional to 15,456.33, 23,148.43 and 11,286

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Solution

The fourth proportional to 15,456.33, 23,148.43 and 11,286 is: 16,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.33 : 23,148.43 = 11,286 : x
  2. Step 2: Convert to fraction form
    15,456.33/23,148.43 = 11,286/x
  3. Step 3: Cross multiply
    15,456.33x = 23,148.43 × 11,286
  4. Step 4: Simplify right side
    15,456.33x = 261,253,152.77
  5. Step 5: Solve for x
    x = 261,253,152.77/15,456.33
  6. Step 6: Final answer
    x = 16,902.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.