Home / 20,249.42-27,944.23-11,296.68

Finding the Fourth Proportional to 20,249.42, 27,944.23 and 11,296.68

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Solution

The fourth proportional to 20,249.42, 27,944.23 and 11,296.68 is: 15,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.42 : 27,944.23 = 11,296.68 : x
  2. Step 2: Convert to fraction form
    20,249.42/27,944.23 = 11,296.68/x
  3. Step 3: Cross multiply
    20,249.42x = 27,944.23 × 11,296.68
  4. Step 4: Simplify right side
    20,249.42x = 315,677,024.16
  5. Step 5: Solve for x
    x = 315,677,024.16/20,249.42
  6. Step 6: Final answer
    x = 15,589.44

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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.