Home / 18,624.66-25,684.41-11,898.60

Finding the Fourth Proportional to 18,624.66, 25,684.41 and 11,898.60

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Solution

The fourth proportional to 18,624.66, 25,684.41 and 11,898.60 is: 16,408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.66 : 25,684.41 = 11,898.60 : x
  2. Step 2: Convert to fraction form
    18,624.66/25,684.41 = 11,898.60/x
  3. Step 3: Cross multiply
    18,624.66x = 25,684.41 × 11,898.60
  4. Step 4: Simplify right side
    18,624.66x = 305,608,520.83
  5. Step 5: Solve for x
    x = 305,608,520.83/18,624.66
  6. Step 6: Final answer
    x = 16,408.81

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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.