Home / 22,198.08-30,634.26-12,766.64

Finding the Fourth Proportional to 22,198.08, 30,634.26 and 12,766.64

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Solution

The fourth proportional to 22,198.08, 30,634.26 and 12,766.64 is: 17,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.08 : 30,634.26 = 12,766.64 : x
  2. Step 2: Convert to fraction form
    22,198.08/30,634.26 = 12,766.64/x
  3. Step 3: Cross multiply
    22,198.08x = 30,634.26 × 12,766.64
  4. Step 4: Simplify right side
    22,198.08x = 391,096,415.92
  5. Step 5: Solve for x
    x = 391,096,415.92/22,198.08
  6. Step 6: Final answer
    x = 17,618.48

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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.