Home / 18,782.46-25,924.86-11,704.68

Finding the Fourth Proportional to 18,782.46, 25,924.86 and 11,704.68

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Solution

The fourth proportional to 18,782.46, 25,924.86 and 11,704.68 is: 16,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782.46 : 25,924.86 = 11,704.68 : x
  2. Step 2: Convert to fraction form
    18,782.46/25,924.86 = 11,704.68/x
  3. Step 3: Cross multiply
    18,782.46x = 25,924.86 × 11,704.68
  4. Step 4: Simplify right side
    18,782.46x = 303,442,190.34
  5. Step 5: Solve for x
    x = 303,442,190.34/18,782.46
  6. Step 6: Final answer
    x = 16,155.61

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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.