Home / 22,151.25-30,568.14-12,079.71

Finding the Fourth Proportional to 22,151.25, 30,568.14 and 12,079.71

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Solution

The fourth proportional to 22,151.25, 30,568.14 and 12,079.71 is: 16,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.25 : 30,568.14 = 12,079.71 : x
  2. Step 2: Convert to fraction form
    22,151.25/30,568.14 = 12,079.71/x
  3. Step 3: Cross multiply
    22,151.25x = 30,568.14 × 12,079.71
  4. Step 4: Simplify right side
    22,151.25x = 369,254,266.44
  5. Step 5: Solve for x
    x = 369,254,266.44/22,151.25
  6. Step 6: Final answer
    x = 16,669.68

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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.