Home / 19,324.12-28,993.48-6,843.64

Finding the Fourth Proportional to 19,324.12, 28,993.48 and 6,843.64

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Solution

The fourth proportional to 19,324.12, 28,993.48 and 6,843.64 is: 10,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.12 : 28,993.48 = 6,843.64 : x
  2. Step 2: Convert to fraction form
    19,324.12/28,993.48 = 6,843.64/x
  3. Step 3: Cross multiply
    19,324.12x = 28,993.48 × 6,843.64
  4. Step 4: Simplify right side
    19,324.12x = 198,420,939.47
  5. Step 5: Solve for x
    x = 198,420,939.47/19,324.12
  6. Step 6: Final answer
    x = 10,268.05

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1.5x scale

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.