Home / 20,583.54-30,790.73-16,431.66

Finding the Fourth Proportional to 20,583.54, 30,790.73 and 16,431.66

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Solution

The fourth proportional to 20,583.54, 30,790.73 and 16,431.66 is: 24,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.54 : 30,790.73 = 16,431.66 : x
  2. Step 2: Convert to fraction form
    20,583.54/30,790.73 = 16,431.66/x
  3. Step 3: Cross multiply
    20,583.54x = 30,790.73 × 16,431.66
  4. Step 4: Simplify right side
    20,583.54x = 505,942,847.59
  5. Step 5: Solve for x
    x = 505,942,847.59/20,583.54
  6. Step 6: Final answer
    x = 24,579.97

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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.