Home / 18,614.26-25,693.67-11,917.92

Finding the Fourth Proportional to 18,614.26, 25,693.67 and 11,917.92

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Solution

The fourth proportional to 18,614.26, 25,693.67 and 11,917.92 is: 16,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.26 : 25,693.67 = 11,917.92 : x
  2. Step 2: Convert to fraction form
    18,614.26/25,693.67 = 11,917.92/x
  3. Step 3: Cross multiply
    18,614.26x = 25,693.67 × 11,917.92
  4. Step 4: Simplify right side
    18,614.26x = 306,215,043.98
  5. Step 5: Solve for x
    x = 306,215,043.98/18,614.26
  6. Step 6: Final answer
    x = 16,450.56

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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.