Home / 15,877.44-23,821.49-11,138.54

Finding the Fourth Proportional to 15,877.44, 23,821.49 and 11,138.54

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Solution

The fourth proportional to 15,877.44, 23,821.49 and 11,138.54 is: 16,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.44 : 23,821.49 = 11,138.54 : x
  2. Step 2: Convert to fraction form
    15,877.44/23,821.49 = 11,138.54/x
  3. Step 3: Cross multiply
    15,877.44x = 23,821.49 × 11,138.54
  4. Step 4: Simplify right side
    15,877.44x = 265,336,500.12
  5. Step 5: Solve for x
    x = 265,336,500.12/15,877.44
  6. Step 6: Final answer
    x = 16,711.54

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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.