Home / 22,121.42-30,527.82-12,049.95

Finding the Fourth Proportional to 22,121.42, 30,527.82 and 12,049.95

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Solution

The fourth proportional to 22,121.42, 30,527.82 and 12,049.95 is: 16,629.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.42 : 30,527.82 = 12,049.95 : x
  2. Step 2: Convert to fraction form
    22,121.42/30,527.82 = 12,049.95/x
  3. Step 3: Cross multiply
    22,121.42x = 30,527.82 × 12,049.95
  4. Step 4: Simplify right side
    22,121.42x = 367,858,704.61
  5. Step 5: Solve for x
    x = 367,858,704.61/22,121.42
  6. Step 6: Final answer
    x = 16,629.08

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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.