Home / 17,619.46-26,388.62-10,205.52

Finding the Fourth Proportional to 17,619.46, 26,388.62 and 10,205.52

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Solution

The fourth proportional to 17,619.46, 26,388.62 and 10,205.52 is: 15,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.46 : 26,388.62 = 10,205.52 : x
  2. Step 2: Convert to fraction form
    17,619.46/26,388.62 = 10,205.52/x
  3. Step 3: Cross multiply
    17,619.46x = 26,388.62 × 10,205.52
  4. Step 4: Simplify right side
    17,619.46x = 269,309,589.18
  5. Step 5: Solve for x
    x = 269,309,589.18/17,619.46
  6. Step 6: Final answer
    x = 15,284.78

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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.