Home / 19,219.96-26,517.61-11,262.12

Finding the Fourth Proportional to 19,219.96, 26,517.61 and 11,262.12

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Solution

The fourth proportional to 19,219.96, 26,517.61 and 11,262.12 is: 15,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.96 : 26,517.61 = 11,262.12 : x
  2. Step 2: Convert to fraction form
    19,219.96/26,517.61 = 11,262.12/x
  3. Step 3: Cross multiply
    19,219.96x = 26,517.61 × 11,262.12
  4. Step 4: Simplify right side
    19,219.96x = 298,644,505.93
  5. Step 5: Solve for x
    x = 298,644,505.93/19,219.96
  6. Step 6: Final answer
    x = 15,538.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.