Home / 20,336.96-28,063.64-11,262.02

Finding the Fourth Proportional to 20,336.96, 28,063.64 and 11,262.02

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Solution

The fourth proportional to 20,336.96, 28,063.64 and 11,262.02 is: 15,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.96 : 28,063.64 = 11,262.02 : x
  2. Step 2: Convert to fraction form
    20,336.96/28,063.64 = 11,262.02/x
  3. Step 3: Cross multiply
    20,336.96x = 28,063.64 × 11,262.02
  4. Step 4: Simplify right side
    20,336.96x = 316,053,078.32
  5. Step 5: Solve for x
    x = 316,053,078.32/20,336.96
  6. Step 6: Final answer
    x = 15,540.83

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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.