Home / 19,739.97-29,621.62-7,268.74

Finding the Fourth Proportional to 19,739.97, 29,621.62 and 7,268.74

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Solution

The fourth proportional to 19,739.97, 29,621.62 and 7,268.74 is: 10,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.97 : 29,621.62 = 7,268.74 : x
  2. Step 2: Convert to fraction form
    19,739.97/29,621.62 = 7,268.74/x
  3. Step 3: Cross multiply
    19,739.97x = 29,621.62 × 7,268.74
  4. Step 4: Simplify right side
    19,739.97x = 215,311,854.16
  5. Step 5: Solve for x
    x = 215,311,854.16/19,739.97
  6. Step 6: Final answer
    x = 10,907.41

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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.