Home / 17,786.07-26,680.62-5,305.29

Finding the Fourth Proportional to 17,786.07, 26,680.62 and 5,305.29

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Solution

The fourth proportional to 17,786.07, 26,680.62 and 5,305.29 is: 7,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.07 : 26,680.62 = 5,305.29 : x
  2. Step 2: Convert to fraction form
    17,786.07/26,680.62 = 5,305.29/x
  3. Step 3: Cross multiply
    17,786.07x = 26,680.62 × 5,305.29
  4. Step 4: Simplify right side
    17,786.07x = 141,548,426.48
  5. Step 5: Solve for x
    x = 141,548,426.48/17,786.07
  6. Step 6: Final answer
    x = 7,958.39

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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.