Home / 19,208.26-28,786.26-11,314.41

Finding the Fourth Proportional to 19,208.26, 28,786.26 and 11,314.41

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Solution

The fourth proportional to 19,208.26, 28,786.26 and 11,314.41 is: 16,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.26 : 28,786.26 = 11,314.41 : x
  2. Step 2: Convert to fraction form
    19,208.26/28,786.26 = 11,314.41/x
  3. Step 3: Cross multiply
    19,208.26x = 28,786.26 × 11,314.41
  4. Step 4: Simplify right side
    19,208.26x = 325,699,404.08
  5. Step 5: Solve for x
    x = 325,699,404.08/19,208.26
  6. Step 6: Final answer
    x = 16,956.22

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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.