Home / 18,203.10-27,288.45-16,234.80

Finding the Fourth Proportional to 18,203.10, 27,288.45 and 16,234.80

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Solution

The fourth proportional to 18,203.10, 27,288.45 and 16,234.80 is: 24,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.10 : 27,288.45 = 16,234.80 : x
  2. Step 2: Convert to fraction form
    18,203.10/27,288.45 = 16,234.80/x
  3. Step 3: Cross multiply
    18,203.10x = 27,288.45 × 16,234.80
  4. Step 4: Simplify right side
    18,203.10x = 443,022,528.06
  5. Step 5: Solve for x
    x = 443,022,528.06/18,203.10
  6. Step 6: Final answer
    x = 24,337.75

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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.