Home / 25,784.10-38,712.15-16,481.70

Finding the Fourth Proportional to 25,784.10, 38,712.15 and 16,481.70

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Solution

The fourth proportional to 25,784.10, 38,712.15 and 16,481.70 is: 24,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.10 : 38,712.15 = 16,481.70 : x
  2. Step 2: Convert to fraction form
    25,784.10/38,712.15 = 16,481.70/x
  3. Step 3: Cross multiply
    25,784.10x = 38,712.15 × 16,481.70
  4. Step 4: Simplify right side
    25,784.10x = 638,042,042.66
  5. Step 5: Solve for x
    x = 638,042,042.66/25,784.10
  6. Step 6: Final answer
    x = 24,745.56

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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.