Home / 25,481.76-35,141.44-16,519.84

Finding the Fourth Proportional to 25,481.76, 35,141.44 and 16,519.84

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Solution

The fourth proportional to 25,481.76, 35,141.44 and 16,519.84 is: 22,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.76 : 35,141.44 = 16,519.84 : x
  2. Step 2: Convert to fraction form
    25,481.76/35,141.44 = 16,519.84/x
  3. Step 3: Cross multiply
    25,481.76x = 35,141.44 × 16,519.84
  4. Step 4: Simplify right side
    25,481.76x = 580,530,966.17
  5. Step 5: Solve for x
    x = 580,530,966.17/25,481.76
  6. Step 6: Final answer
    x = 22,782.22

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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.