Home / 25,635.68-35,408.64-18,550.88

Finding the Fourth Proportional to 25,635.68, 35,408.64 and 18,550.88

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Solution

The fourth proportional to 25,635.68, 35,408.64 and 18,550.88 is: 25,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,635.68 : 35,408.64 = 18,550.88 : x
  2. Step 2: Convert to fraction form
    25,635.68/35,408.64 = 18,550.88/x
  3. Step 3: Cross multiply
    25,635.68x = 35,408.64 × 18,550.88
  4. Step 4: Simplify right side
    25,635.68x = 656,861,431.60
  5. Step 5: Solve for x
    x = 656,861,431.60/25,635.68
  6. Step 6: Final answer
    x = 25,622.94

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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.