Home / 25,629.20-38,447.76-10,838.20

Finding the Fourth Proportional to 25,629.20, 38,447.76 and 10,838.20

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Solution

The fourth proportional to 25,629.20, 38,447.76 and 10,838.20 is: 16,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.20 : 38,447.76 = 10,838.20 : x
  2. Step 2: Convert to fraction form
    25,629.20/38,447.76 = 10,838.20/x
  3. Step 3: Cross multiply
    25,629.20x = 38,447.76 × 10,838.20
  4. Step 4: Simplify right side
    25,629.20x = 416,704,512.43
  5. Step 5: Solve for x
    x = 416,704,512.43/25,629.20
  6. Step 6: Final answer
    x = 16,258.97

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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.