Home / 25,493.54-38,255.69-18,158.99

Finding the Fourth Proportional to 25,493.54, 38,255.69 and 18,158.99

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Solution

The fourth proportional to 25,493.54, 38,255.69 and 18,158.99 is: 27,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,493.54 : 38,255.69 = 18,158.99 : x
  2. Step 2: Convert to fraction form
    25,493.54/38,255.69 = 18,158.99/x
  3. Step 3: Cross multiply
    25,493.54x = 38,255.69 × 18,158.99
  4. Step 4: Simplify right side
    25,493.54x = 694,684,546.27
  5. Step 5: Solve for x
    x = 694,684,546.27/25,493.54
  6. Step 6: Final answer
    x = 27,249.44

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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.