Home / 21,626.94-29,850.62-12,200.97

Finding the Fourth Proportional to 21,626.94, 29,850.62 and 12,200.97

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Solution

The fourth proportional to 21,626.94, 29,850.62 and 12,200.97 is: 16,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.94 : 29,850.62 = 12,200.97 : x
  2. Step 2: Convert to fraction form
    21,626.94/29,850.62 = 12,200.97/x
  3. Step 3: Cross multiply
    21,626.94x = 29,850.62 × 12,200.97
  4. Step 4: Simplify right side
    21,626.94x = 364,206,458.10
  5. Step 5: Solve for x
    x = 364,206,458.10/21,626.94
  6. Step 6: Final answer
    x = 16,840.41

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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.