Home / 19,100.14-28,668.44-11,719.01

Finding the Fourth Proportional to 19,100.14, 28,668.44 and 11,719.01

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Solution

The fourth proportional to 19,100.14, 28,668.44 and 11,719.01 is: 17,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.14 : 28,668.44 = 11,719.01 : x
  2. Step 2: Convert to fraction form
    19,100.14/28,668.44 = 11,719.01/x
  3. Step 3: Cross multiply
    19,100.14x = 28,668.44 × 11,719.01
  4. Step 4: Simplify right side
    19,100.14x = 335,965,836.01
  5. Step 5: Solve for x
    x = 335,965,836.01/19,100.14
  6. Step 6: Final answer
    x = 17,589.71

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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.