Home / 17,511.20-26,276.88-9,719.36

Finding the Fourth Proportional to 17,511.20, 26,276.88 and 9,719.36

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Solution

The fourth proportional to 17,511.20, 26,276.88 and 9,719.36 is: 14,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511.20 : 26,276.88 = 9,719.36 : x
  2. Step 2: Convert to fraction form
    17,511.20/26,276.88 = 9,719.36/x
  3. Step 3: Cross multiply
    17,511.20x = 26,276.88 × 9,719.36
  4. Step 4: Simplify right side
    17,511.20x = 255,394,456.40
  5. Step 5: Solve for x
    x = 255,394,456.40/17,511.20
  6. Step 6: Final answer
    x = 14,584.63

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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.