Home / 20,198.53-27,873.66-11,246.77

Finding the Fourth Proportional to 20,198.53, 27,873.66 and 11,246.77

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Solution

The fourth proportional to 20,198.53, 27,873.66 and 11,246.77 is: 15,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.53 : 27,873.66 = 11,246.77 : x
  2. Step 2: Convert to fraction form
    20,198.53/27,873.66 = 11,246.77/x
  3. Step 3: Cross multiply
    20,198.53x = 27,873.66 × 11,246.77
  4. Step 4: Simplify right side
    20,198.53x = 313,488,643.08
  5. Step 5: Solve for x
    x = 313,488,643.08/20,198.53
  6. Step 6: Final answer
    x = 15,520.37

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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.