Home / 12,854.62-19,268.80-7,296.22

Finding the Fourth Proportional to 12,854.62, 19,268.80 and 7,296.22

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Solution

The fourth proportional to 12,854.62, 19,268.80 and 7,296.22 is: 10,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.62 : 19,268.80 = 7,296.22 : x
  2. Step 2: Convert to fraction form
    12,854.62/19,268.80 = 7,296.22/x
  3. Step 3: Cross multiply
    12,854.62x = 19,268.80 × 7,296.22
  4. Step 4: Simplify right side
    12,854.62x = 140,589,403.94
  5. Step 5: Solve for x
    x = 140,589,403.94/12,854.62
  6. Step 6: Final answer
    x = 10,936.88

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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.