Home / 17,738.88-26,579.04-7,863.36

Finding the Fourth Proportional to 17,738.88, 26,579.04 and 7,863.36

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Solution

The fourth proportional to 17,738.88, 26,579.04 and 7,863.36 is: 11,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.88 : 26,579.04 = 7,863.36 : x
  2. Step 2: Convert to fraction form
    17,738.88/26,579.04 = 7,863.36/x
  3. Step 3: Cross multiply
    17,738.88x = 26,579.04 × 7,863.36
  4. Step 4: Simplify right side
    17,738.88x = 209,000,559.97
  5. Step 5: Solve for x
    x = 209,000,559.97/17,738.88
  6. Step 6: Final answer
    x = 11,782.06

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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.