Home / 19,291.97-28,939.68-5,252.04

Finding the Fourth Proportional to 19,291.97, 28,939.68 and 5,252.04

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Solution

The fourth proportional to 19,291.97, 28,939.68 and 5,252.04 is: 7,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.97 : 28,939.68 = 5,252.04 : x
  2. Step 2: Convert to fraction form
    19,291.97/28,939.68 = 5,252.04/x
  3. Step 3: Cross multiply
    19,291.97x = 28,939.68 × 5,252.04
  4. Step 4: Simplify right side
    19,291.97x = 151,992,356.95
  5. Step 5: Solve for x
    x = 151,992,356.95/19,291.97
  6. Step 6: Final answer
    x = 7,878.53

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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.