Home / 22,249.73-30,704.49-12,178.01

Finding the Fourth Proportional to 22,249.73, 30,704.49 and 12,178.01

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Solution

The fourth proportional to 22,249.73, 30,704.49 and 12,178.01 is: 16,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.73 : 30,704.49 = 12,178.01 : x
  2. Step 2: Convert to fraction form
    22,249.73/30,704.49 = 12,178.01/x
  3. Step 3: Cross multiply
    22,249.73x = 30,704.49 × 12,178.01
  4. Step 4: Simplify right side
    22,249.73x = 373,919,432.74
  5. Step 5: Solve for x
    x = 373,919,432.74/22,249.73
  6. Step 6: Final answer
    x = 16,805.58

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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.