Home / 22,268.11-30,729.64-12,196.48

Finding the Fourth Proportional to 22,268.11, 30,729.64 and 12,196.48

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Solution

The fourth proportional to 22,268.11, 30,729.64 and 12,196.48 is: 16,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.11 : 30,729.64 = 12,196.48 : x
  2. Step 2: Convert to fraction form
    22,268.11/30,729.64 = 12,196.48/x
  3. Step 3: Cross multiply
    22,268.11x = 30,729.64 × 12,196.48
  4. Step 4: Simplify right side
    22,268.11x = 374,793,439.67
  5. Step 5: Solve for x
    x = 374,793,439.67/22,268.11
  6. Step 6: Final answer
    x = 16,830.95

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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.