Home / 18,629.42-25,708.56-10,245.92

Finding the Fourth Proportional to 18,629.42, 25,708.56 and 10,245.92

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Solution

The fourth proportional to 18,629.42, 25,708.56 and 10,245.92 is: 14,139.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.42 : 25,708.56 = 10,245.92 : x
  2. Step 2: Convert to fraction form
    18,629.42/25,708.56 = 10,245.92/x
  3. Step 3: Cross multiply
    18,629.42x = 25,708.56 × 10,245.92
  4. Step 4: Simplify right side
    18,629.42x = 263,407,720.53
  5. Step 5: Solve for x
    x = 263,407,720.53/18,629.42
  6. Step 6: Final answer
    x = 14,139.34

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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.