Home / 22,268.05-30,729.92-12,197.12

Finding the Fourth Proportional to 22,268.05, 30,729.92 and 12,197.12

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Solution

The fourth proportional to 22,268.05, 30,729.92 and 12,197.12 is: 16,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.05 : 30,729.92 = 12,197.12 : x
  2. Step 2: Convert to fraction form
    22,268.05/30,729.92 = 12,197.12/x
  3. Step 3: Cross multiply
    22,268.05x = 30,729.92 × 12,197.12
  4. Step 4: Simplify right side
    22,268.05x = 374,816,460.84
  5. Step 5: Solve for x
    x = 374,816,460.84/22,268.05
  6. Step 6: Final answer
    x = 16,832.03

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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.