Home / 20,034.66-30,022.74-11,272.02

Finding the Fourth Proportional to 20,034.66, 30,022.74 and 11,272.02

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Solution

The fourth proportional to 20,034.66, 30,022.74 and 11,272.02 is: 16,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.66 : 30,022.74 = 11,272.02 : x
  2. Step 2: Convert to fraction form
    20,034.66/30,022.74 = 11,272.02/x
  3. Step 3: Cross multiply
    20,034.66x = 30,022.74 × 11,272.02
  4. Step 4: Simplify right side
    20,034.66x = 338,416,925.73
  5. Step 5: Solve for x
    x = 338,416,925.73/20,034.66
  6. Step 6: Final answer
    x = 16,891.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.