Home / 17,375.66-23,975.09-10,997.78

Finding the Fourth Proportional to 17,375.66, 23,975.09 and 10,997.78

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Solution

The fourth proportional to 17,375.66, 23,975.09 and 10,997.78 is: 15,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,375.66 : 23,975.09 = 10,997.78 : x
  2. Step 2: Convert to fraction form
    17,375.66/23,975.09 = 10,997.78/x
  3. Step 3: Cross multiply
    17,375.66x = 23,975.09 × 10,997.78
  4. Step 4: Simplify right side
    17,375.66x = 263,672,631.68
  5. Step 5: Solve for x
    x = 263,672,631.68/17,375.66
  6. Step 6: Final answer
    x = 15,174.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.