Home / 22,151.35-30,568.62-12,079.75

Finding the Fourth Proportional to 22,151.35, 30,568.62 and 12,079.75

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Solution

The fourth proportional to 22,151.35, 30,568.62 and 12,079.75 is: 16,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.35 : 30,568.62 = 12,079.75 : x
  2. Step 2: Convert to fraction form
    22,151.35/30,568.62 = 12,079.75/x
  3. Step 3: Cross multiply
    22,151.35x = 30,568.62 × 12,079.75
  4. Step 4: Simplify right side
    22,151.35x = 369,261,287.45
  5. Step 5: Solve for x
    x = 369,261,287.45/22,151.35
  6. Step 6: Final answer
    x = 16,669.92

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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.