Home / 19,336.98-28,976.31-14,383.38

Finding the Fourth Proportional to 19,336.98, 28,976.31 and 14,383.38

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Solution

The fourth proportional to 19,336.98, 28,976.31 and 14,383.38 is: 21,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.98 : 28,976.31 = 14,383.38 : x
  2. Step 2: Convert to fraction form
    19,336.98/28,976.31 = 14,383.38/x
  3. Step 3: Cross multiply
    19,336.98x = 28,976.31 × 14,383.38
  4. Step 4: Simplify right side
    19,336.98x = 416,777,277.73
  5. Step 5: Solve for x
    x = 416,777,277.73/19,336.98
  6. Step 6: Final answer
    x = 21,553.38

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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.