Home / 19,388.35-29,086.58-6,249.75

Finding the Fourth Proportional to 19,388.35, 29,086.58 and 6,249.75

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Solution

The fourth proportional to 19,388.35, 29,086.58 and 6,249.75 is: 9,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.35 : 29,086.58 = 6,249.75 : x
  2. Step 2: Convert to fraction form
    19,388.35/29,086.58 = 6,249.75/x
  3. Step 3: Cross multiply
    19,388.35x = 29,086.58 × 6,249.75
  4. Step 4: Simplify right side
    19,388.35x = 181,783,853.36
  5. Step 5: Solve for x
    x = 181,783,853.36/19,388.35
  6. Step 6: Final answer
    x = 9,375.93

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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.