Home / 17,273.75-25,911.30-5,435.60

Finding the Fourth Proportional to 17,273.75, 25,911.30 and 5,435.60

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Solution

The fourth proportional to 17,273.75, 25,911.30 and 5,435.60 is: 8,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273.75 : 25,911.30 = 5,435.60 : x
  2. Step 2: Convert to fraction form
    17,273.75/25,911.30 = 5,435.60/x
  3. Step 3: Cross multiply
    17,273.75x = 25,911.30 × 5,435.60
  4. Step 4: Simplify right side
    17,273.75x = 140,843,462.28
  5. Step 5: Solve for x
    x = 140,843,462.28/17,273.75
  6. Step 6: Final answer
    x = 8,153.61

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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.