Home / 17,751.18-26,481.40-17,268.56

Finding the Fourth Proportional to 17,751.18, 26,481.40 and 17,268.56

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Solution

The fourth proportional to 17,751.18, 26,481.40 and 17,268.56 is: 25,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.18 : 26,481.40 = 17,268.56 : x
  2. Step 2: Convert to fraction form
    17,751.18/26,481.40 = 17,268.56/x
  3. Step 3: Cross multiply
    17,751.18x = 26,481.40 × 17,268.56
  4. Step 4: Simplify right side
    17,751.18x = 457,295,644.78
  5. Step 5: Solve for x
    x = 457,295,644.78/17,751.18
  6. Step 6: Final answer
    x = 25,761.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.