Home / 19,877.43-29,817.18-5,086.44

Finding the Fourth Proportional to 19,877.43, 29,817.18 and 5,086.44

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Solution

The fourth proportional to 19,877.43, 29,817.18 and 5,086.44 is: 7,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.43 : 29,817.18 = 5,086.44 : x
  2. Step 2: Convert to fraction form
    19,877.43/29,817.18 = 5,086.44/x
  3. Step 3: Cross multiply
    19,877.43x = 29,817.18 × 5,086.44
  4. Step 4: Simplify right side
    19,877.43x = 151,663,297.04
  5. Step 5: Solve for x
    x = 151,663,297.04/19,877.43
  6. Step 6: Final answer
    x = 7,629.92

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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.