Home / 25,638.44-38,452.79-10,857.73

Finding the Fourth Proportional to 25,638.44, 38,452.79 and 10,857.73

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Solution

The fourth proportional to 25,638.44, 38,452.79 and 10,857.73 is: 16,284.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.44 : 38,452.79 = 10,857.73 : x
  2. Step 2: Convert to fraction form
    25,638.44/38,452.79 = 10,857.73/x
  3. Step 3: Cross multiply
    25,638.44x = 38,452.79 × 10,857.73
  4. Step 4: Simplify right side
    25,638.44x = 417,510,011.57
  5. Step 5: Solve for x
    x = 417,510,011.57/25,638.44
  6. Step 6: Final answer
    x = 16,284.53

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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.