Home / 22,784.36-34,198.43-11,105.78

Finding the Fourth Proportional to 22,784.36, 34,198.43 and 11,105.78

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Solution

The fourth proportional to 22,784.36, 34,198.43 and 11,105.78 is: 16,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,784.36 : 34,198.43 = 11,105.78 : x
  2. Step 2: Convert to fraction form
    22,784.36/34,198.43 = 11,105.78/x
  3. Step 3: Cross multiply
    22,784.36x = 34,198.43 × 11,105.78
  4. Step 4: Simplify right side
    22,784.36x = 379,800,013.40
  5. Step 5: Solve for x
    x = 379,800,013.40/22,784.36
  6. Step 6: Final answer
    x = 16,669.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.