Home / 17,198.19-23,738.45-11,148.21

Finding the Fourth Proportional to 17,198.19, 23,738.45 and 11,148.21

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Solution

The fourth proportional to 17,198.19, 23,738.45 and 11,148.21 is: 15,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.19 : 23,738.45 = 11,148.21 : x
  2. Step 2: Convert to fraction form
    17,198.19/23,738.45 = 11,148.21/x
  3. Step 3: Cross multiply
    17,198.19x = 23,738.45 × 11,148.21
  4. Step 4: Simplify right side
    17,198.19x = 264,641,169.93
  5. Step 5: Solve for x
    x = 264,641,169.93/17,198.19
  6. Step 6: Final answer
    x = 15,387.73

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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.