Home / 18,966.09-28,394.02-11,044.43

Finding the Fourth Proportional to 18,966.09, 28,394.02 and 11,044.43

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Solution

The fourth proportional to 18,966.09, 28,394.02 and 11,044.43 is: 16,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.09 : 28,394.02 = 11,044.43 : x
  2. Step 2: Convert to fraction form
    18,966.09/28,394.02 = 11,044.43/x
  3. Step 3: Cross multiply
    18,966.09x = 28,394.02 × 11,044.43
  4. Step 4: Simplify right side
    18,966.09x = 313,595,766.31
  5. Step 5: Solve for x
    x = 313,595,766.31/18,966.09
  6. Step 6: Final answer
    x = 16,534.55

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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.