Home / 19,878.44-29,816.76-5,837.92

Finding the Fourth Proportional to 19,878.44, 29,816.76 and 5,837.92

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Solution

The fourth proportional to 19,878.44, 29,816.76 and 5,837.92 is: 8,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,878.44 : 29,816.76 = 5,837.92 : x
  2. Step 2: Convert to fraction form
    19,878.44/29,816.76 = 5,837.92/x
  3. Step 3: Cross multiply
    19,878.44x = 29,816.76 × 5,837.92
  4. Step 4: Simplify right side
    19,878.44x = 174,067,859.54
  5. Step 5: Solve for x
    x = 174,067,859.54/19,878.44
  6. Step 6: Final answer
    x = 8,756.62

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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.