Home / 17,471.93-26,189.42-11,911.47

Finding the Fourth Proportional to 17,471.93, 26,189.42 and 11,911.47

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Solution

The fourth proportional to 17,471.93, 26,189.42 and 11,911.47 is: 17,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,471.93 : 26,189.42 = 11,911.47 : x
  2. Step 2: Convert to fraction form
    17,471.93/26,189.42 = 11,911.47/x
  3. Step 3: Cross multiply
    17,471.93x = 26,189.42 × 11,911.47
  4. Step 4: Simplify right side
    17,471.93x = 311,954,431.09
  5. Step 5: Solve for x
    x = 311,954,431.09/17,471.93
  6. Step 6: Final answer
    x = 17,854.61

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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.