Home / 19,697.85-27,180.36-11,198.52

Finding the Fourth Proportional to 19,697.85, 27,180.36 and 11,198.52

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Solution

The fourth proportional to 19,697.85, 27,180.36 and 11,198.52 is: 15,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.85 : 27,180.36 = 11,198.52 : x
  2. Step 2: Convert to fraction form
    19,697.85/27,180.36 = 11,198.52/x
  3. Step 3: Cross multiply
    19,697.85x = 27,180.36 × 11,198.52
  4. Step 4: Simplify right side
    19,697.85x = 304,379,805.07
  5. Step 5: Solve for x
    x = 304,379,805.07/19,697.85
  6. Step 6: Final answer
    x = 15,452.44

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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.