Home / 19,883.80-29,827.04-6,731.68

Finding the Fourth Proportional to 19,883.80, 29,827.04 and 6,731.68

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Solution

The fourth proportional to 19,883.80, 29,827.04 and 6,731.68 is: 10,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.80 : 29,827.04 = 6,731.68 : x
  2. Step 2: Convert to fraction form
    19,883.80/29,827.04 = 6,731.68/x
  3. Step 3: Cross multiply
    19,883.80x = 29,827.04 × 6,731.68
  4. Step 4: Simplify right side
    19,883.80x = 200,786,088.63
  5. Step 5: Solve for x
    x = 200,786,088.63/19,883.80
  6. Step 6: Final answer
    x = 10,097.97

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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.