Home / 25,760.12-38,845.14-25,408.83

Finding the Fourth Proportional to 25,760.12, 38,845.14 and 25,408.83

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Solution

The fourth proportional to 25,760.12, 38,845.14 and 25,408.83 is: 38,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760.12 : 38,845.14 = 25,408.83 : x
  2. Step 2: Convert to fraction form
    25,760.12/38,845.14 = 25,408.83/x
  3. Step 3: Cross multiply
    25,760.12x = 38,845.14 × 25,408.83
  4. Step 4: Simplify right side
    25,760.12x = 987,009,431.54
  5. Step 5: Solve for x
    x = 987,009,431.54/25,760.12
  6. Step 6: Final answer
    x = 38,315.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.