Home / 19,317.89-26,653.25-11,764.44

Finding the Fourth Proportional to 19,317.89, 26,653.25 and 11,764.44

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Solution

The fourth proportional to 19,317.89, 26,653.25 and 11,764.44 is: 16,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.89 : 26,653.25 = 11,764.44 : x
  2. Step 2: Convert to fraction form
    19,317.89/26,653.25 = 11,764.44/x
  3. Step 3: Cross multiply
    19,317.89x = 26,653.25 × 11,764.44
  4. Step 4: Simplify right side
    19,317.89x = 313,560,589.84
  5. Step 5: Solve for x
    x = 313,560,589.84/19,317.89
  6. Step 6: Final answer
    x = 16,231.61

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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.