Home / 19,211.06-28,760.55-11,793.03

Finding the Fourth Proportional to 19,211.06, 28,760.55 and 11,793.03

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Solution

The fourth proportional to 19,211.06, 28,760.55 and 11,793.03 is: 17,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.06 : 28,760.55 = 11,793.03 : x
  2. Step 2: Convert to fraction form
    19,211.06/28,760.55 = 11,793.03/x
  3. Step 3: Cross multiply
    19,211.06x = 28,760.55 × 11,793.03
  4. Step 4: Simplify right side
    19,211.06x = 339,174,028.97
  5. Step 5: Solve for x
    x = 339,174,028.97/19,211.06
  6. Step 6: Final answer
    x = 17,655.14

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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.