Home / 17,101.75-25,631.56-12,144.55

Finding the Fourth Proportional to 17,101.75, 25,631.56 and 12,144.55

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Solution

The fourth proportional to 17,101.75, 25,631.56 and 12,144.55 is: 18,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,101.75 : 25,631.56 = 12,144.55 : x
  2. Step 2: Convert to fraction form
    17,101.75/25,631.56 = 12,144.55/x
  3. Step 3: Cross multiply
    17,101.75x = 25,631.56 × 12,144.55
  4. Step 4: Simplify right side
    17,101.75x = 311,283,762.00
  5. Step 5: Solve for x
    x = 311,283,762.00/17,101.75
  6. Step 6: Final answer
    x = 18,201.87

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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.