Home / 19,839.30-29,760.03-5,987.94

Finding the Fourth Proportional to 19,839.30, 29,760.03 and 5,987.94

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Solution

The fourth proportional to 19,839.30, 29,760.03 and 5,987.94 is: 8,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.30 : 29,760.03 = 5,987.94 : x
  2. Step 2: Convert to fraction form
    19,839.30/29,760.03 = 5,987.94/x
  3. Step 3: Cross multiply
    19,839.30x = 29,760.03 × 5,987.94
  4. Step 4: Simplify right side
    19,839.30x = 178,201,274.04
  5. Step 5: Solve for x
    x = 178,201,274.04/19,839.30
  6. Step 6: Final answer
    x = 8,982.24

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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.