Home / 22,151.28-30,568.61-12,079.74

Finding the Fourth Proportional to 22,151.28, 30,568.61 and 12,079.74

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Solution

The fourth proportional to 22,151.28, 30,568.61 and 12,079.74 is: 16,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.28 : 30,568.61 = 12,079.74 : x
  2. Step 2: Convert to fraction form
    22,151.28/30,568.61 = 12,079.74/x
  3. Step 3: Cross multiply
    22,151.28x = 30,568.61 × 12,079.74
  4. Step 4: Simplify right side
    22,151.28x = 369,260,860.96
  5. Step 5: Solve for x
    x = 369,260,860.96/22,151.28
  6. Step 6: Final answer
    x = 16,669.96

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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.