Home / 19,918.11-29,879.64-6,592.44

Finding the Fourth Proportional to 19,918.11, 29,879.64 and 6,592.44

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Solution

The fourth proportional to 19,918.11, 29,879.64 and 6,592.44 is: 9,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.11 : 29,879.64 = 6,592.44 : x
  2. Step 2: Convert to fraction form
    19,918.11/29,879.64 = 6,592.44/x
  3. Step 3: Cross multiply
    19,918.11x = 29,879.64 × 6,592.44
  4. Step 4: Simplify right side
    19,918.11x = 196,979,733.92
  5. Step 5: Solve for x
    x = 196,979,733.92/19,918.11
  6. Step 6: Final answer
    x = 9,889.48

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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.