Home / 22,249.82-30,704.28-12,178.02

Finding the Fourth Proportional to 22,249.82, 30,704.28 and 12,178.02

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Solution

The fourth proportional to 22,249.82, 30,704.28 and 12,178.02 is: 16,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.82 : 30,704.28 = 12,178.02 : x
  2. Step 2: Convert to fraction form
    22,249.82/30,704.28 = 12,178.02/x
  3. Step 3: Cross multiply
    22,249.82x = 30,704.28 × 12,178.02
  4. Step 4: Simplify right side
    22,249.82x = 373,917,335.93
  5. Step 5: Solve for x
    x = 373,917,335.93/22,249.82
  6. Step 6: Final answer
    x = 16,805.41

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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.