Home / 19,204.23-28,819.40-11,786.06

Finding the Fourth Proportional to 19,204.23, 28,819.40 and 11,786.06

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Solution

The fourth proportional to 19,204.23, 28,819.40 and 11,786.06 is: 17,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.23 : 28,819.40 = 11,786.06 : x
  2. Step 2: Convert to fraction form
    19,204.23/28,819.40 = 11,786.06/x
  3. Step 3: Cross multiply
    19,204.23x = 28,819.40 × 11,786.06
  4. Step 4: Simplify right side
    19,204.23x = 339,666,974.54
  5. Step 5: Solve for x
    x = 339,666,974.54/19,204.23
  6. Step 6: Final answer
    x = 17,687.09

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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.