Home / 19,863.38-29,798.91-6,717.89

Finding the Fourth Proportional to 19,863.38, 29,798.91 and 6,717.89

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Solution

The fourth proportional to 19,863.38, 29,798.91 and 6,717.89 is: 10,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.38 : 29,798.91 = 6,717.89 : x
  2. Step 2: Convert to fraction form
    19,863.38/29,798.91 = 6,717.89/x
  3. Step 3: Cross multiply
    19,863.38x = 29,798.91 × 6,717.89
  4. Step 4: Simplify right side
    19,863.38x = 200,185,799.50
  5. Step 5: Solve for x
    x = 200,185,799.50/19,863.38
  6. Step 6: Final answer
    x = 10,078.13

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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.