Home / 17,899.26-26,859.78-11,316.36

Finding the Fourth Proportional to 17,899.26, 26,859.78 and 11,316.36

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Solution

The fourth proportional to 17,899.26, 26,859.78 and 11,316.36 is: 16,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,899.26 : 26,859.78 = 11,316.36 : x
  2. Step 2: Convert to fraction form
    17,899.26/26,859.78 = 11,316.36/x
  3. Step 3: Cross multiply
    17,899.26x = 26,859.78 × 11,316.36
  4. Step 4: Simplify right side
    17,899.26x = 303,954,940.00
  5. Step 5: Solve for x
    x = 303,954,940.00/17,899.26
  6. Step 6: Final answer
    x = 16,981.42

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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.