Home / 14,512.54-20,022.85-9,399.96

Finding the Fourth Proportional to 14,512.54, 20,022.85 and 9,399.96

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Solution

The fourth proportional to 14,512.54, 20,022.85 and 9,399.96 is: 12,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.54 : 20,022.85 = 9,399.96 : x
  2. Step 2: Convert to fraction form
    14,512.54/20,022.85 = 9,399.96/x
  3. Step 3: Cross multiply
    14,512.54x = 20,022.85 × 9,399.96
  4. Step 4: Simplify right side
    14,512.54x = 188,213,989.09
  5. Step 5: Solve for x
    x = 188,213,989.09/14,512.54
  6. Step 6: Final answer
    x = 12,969.06

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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.