Home / 18,966.10-28,394.03-11,044.43

Finding the Fourth Proportional to 18,966.10, 28,394.03 and 11,044.43

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Solution

The fourth proportional to 18,966.10, 28,394.03 and 11,044.43 is: 16,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.10 : 28,394.03 = 11,044.43 : x
  2. Step 2: Convert to fraction form
    18,966.10/28,394.03 = 11,044.43/x
  3. Step 3: Cross multiply
    18,966.10x = 28,394.03 × 11,044.43
  4. Step 4: Simplify right side
    18,966.10x = 313,595,821.53
  5. Step 5: Solve for x
    x = 313,595,821.53/18,966.10
  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.