Home / 18,629.12-25,707.96-10,245.44

Finding the Fourth Proportional to 18,629.12, 25,707.96 and 10,245.44

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Solution

The fourth proportional to 18,629.12, 25,707.96 and 10,245.44 is: 14,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.12 : 25,707.96 = 10,245.44 : x
  2. Step 2: Convert to fraction form
    18,629.12/25,707.96 = 10,245.44/x
  3. Step 3: Cross multiply
    18,629.12x = 25,707.96 × 10,245.44
  4. Step 4: Simplify right side
    18,629.12x = 263,389,361.70
  5. Step 5: Solve for x
    x = 263,389,361.70/18,629.12
  6. Step 6: Final answer
    x = 14,138.58

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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.