Home / 19,467.11-26,866.61-11,918.43

Finding the Fourth Proportional to 19,467.11, 26,866.61 and 11,918.43

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Solution

The fourth proportional to 19,467.11, 26,866.61 and 11,918.43 is: 16,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,467.11 : 26,866.61 = 11,918.43 : x
  2. Step 2: Convert to fraction form
    19,467.11/26,866.61 = 11,918.43/x
  3. Step 3: Cross multiply
    19,467.11x = 26,866.61 × 11,918.43
  4. Step 4: Simplify right side
    19,467.11x = 320,207,751.03
  5. Step 5: Solve for x
    x = 320,207,751.03/19,467.11
  6. Step 6: Final answer
    x = 16,448.66

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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.