Home / 22,772.80-34,167.30-11,078.20

Finding the Fourth Proportional to 22,772.80, 34,167.30 and 11,078.20

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Solution

The fourth proportional to 22,772.80, 34,167.30 and 11,078.20 is: 16,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.80 : 34,167.30 = 11,078.20 : x
  2. Step 2: Convert to fraction form
    22,772.80/34,167.30 = 11,078.20/x
  3. Step 3: Cross multiply
    22,772.80x = 34,167.30 × 11,078.20
  4. Step 4: Simplify right side
    22,772.80x = 378,512,182.86
  5. Step 5: Solve for x
    x = 378,512,182.86/22,772.80
  6. Step 6: Final answer
    x = 16,621.24

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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.