Home / 19,517.11-26,933.58-11,021.02

Finding the Fourth Proportional to 19,517.11, 26,933.58 and 11,021.02

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Solution

The fourth proportional to 19,517.11, 26,933.58 and 11,021.02 is: 15,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.11 : 26,933.58 = 11,021.02 : x
  2. Step 2: Convert to fraction form
    19,517.11/26,933.58 = 11,021.02/x
  3. Step 3: Cross multiply
    19,517.11x = 26,933.58 × 11,021.02
  4. Step 4: Simplify right side
    19,517.11x = 296,835,523.85
  5. Step 5: Solve for x
    x = 296,835,523.85/19,517.11
  6. Step 6: Final answer
    x = 15,208.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.