Home / 18,158.89-25,049.15-16,874.50

Finding the Fourth Proportional to 18,158.89, 25,049.15 and 16,874.50

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Solution

The fourth proportional to 18,158.89, 25,049.15 and 16,874.50 is: 23,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.89 : 25,049.15 = 16,874.50 : x
  2. Step 2: Convert to fraction form
    18,158.89/25,049.15 = 16,874.50/x
  3. Step 3: Cross multiply
    18,158.89x = 25,049.15 × 16,874.50
  4. Step 4: Simplify right side
    18,158.89x = 422,691,853.08
  5. Step 5: Solve for x
    x = 422,691,853.08/18,158.89
  6. Step 6: Final answer
    x = 23,277.41

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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.