Home / 18,000.48-26,997.60-8,137.46

Finding the Fourth Proportional to 18,000.48, 26,997.60 and 8,137.46

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Solution

The fourth proportional to 18,000.48, 26,997.60 and 8,137.46 is: 12,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.48 : 26,997.60 = 8,137.46 : x
  2. Step 2: Convert to fraction form
    18,000.48/26,997.60 = 8,137.46/x
  3. Step 3: Cross multiply
    18,000.48x = 26,997.60 × 8,137.46
  4. Step 4: Simplify right side
    18,000.48x = 219,691,988.11
  5. Step 5: Solve for x
    x = 219,691,988.11/18,000.48
  6. Step 6: Final answer
    x = 12,204.79

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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.