Home / 19,902.86-29,853.78-5,863.35

Finding the Fourth Proportional to 19,902.86, 29,853.78 and 5,863.35

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Solution

The fourth proportional to 19,902.86, 29,853.78 and 5,863.35 is: 8,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.86 : 29,853.78 = 5,863.35 : x
  2. Step 2: Convert to fraction form
    19,902.86/29,853.78 = 5,863.35/x
  3. Step 3: Cross multiply
    19,902.86x = 29,853.78 × 5,863.35
  4. Step 4: Simplify right side
    19,902.86x = 175,043,160.96
  5. Step 5: Solve for x
    x = 175,043,160.96/19,902.86
  6. Step 6: Final answer
    x = 8,794.88

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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.