Home / 20,034.51-29,976.44-12,304.68

Finding the Fourth Proportional to 20,034.51, 29,976.44 and 12,304.68

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Solution

The fourth proportional to 20,034.51, 29,976.44 and 12,304.68 is: 18,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.51 : 29,976.44 = 12,304.68 : x
  2. Step 2: Convert to fraction form
    20,034.51/29,976.44 = 12,304.68/x
  3. Step 3: Cross multiply
    20,034.51x = 29,976.44 × 12,304.68
  4. Step 4: Simplify right side
    20,034.51x = 368,850,440.22
  5. Step 5: Solve for x
    x = 368,850,440.22/20,034.51
  6. Step 6: Final answer
    x = 18,410.75

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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.