Home / 17,112.78-25,635.93-11,251.74

Finding the Fourth Proportional to 17,112.78, 25,635.93 and 11,251.74

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Solution

The fourth proportional to 17,112.78, 25,635.93 and 11,251.74 is: 16,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.78 : 25,635.93 = 11,251.74 : x
  2. Step 2: Convert to fraction form
    17,112.78/25,635.93 = 11,251.74/x
  3. Step 3: Cross multiply
    17,112.78x = 25,635.93 × 11,251.74
  4. Step 4: Simplify right side
    17,112.78x = 288,448,819.02
  5. Step 5: Solve for x
    x = 288,448,819.02/17,112.78
  6. Step 6: Final answer
    x = 16,855.75

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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.