Home / 12,796.20-19,226.70-11,370.60

Finding the Fourth Proportional to 12,796.20, 19,226.70 and 11,370.60

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Solution

The fourth proportional to 12,796.20, 19,226.70 and 11,370.60 is: 17,084.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.20 : 19,226.70 = 11,370.60 : x
  2. Step 2: Convert to fraction form
    12,796.20/19,226.70 = 11,370.60/x
  3. Step 3: Cross multiply
    12,796.20x = 19,226.70 × 11,370.60
  4. Step 4: Simplify right side
    12,796.20x = 218,619,115.02
  5. Step 5: Solve for x
    x = 218,619,115.02/12,796.20
  6. Step 6: Final answer
    x = 17,084.69

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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.