Home / 16,855.38-23,234.85-12,137.94

Finding the Fourth Proportional to 16,855.38, 23,234.85 and 12,137.94

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Solution

The fourth proportional to 16,855.38, 23,234.85 and 12,137.94 is: 16,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.38 : 23,234.85 = 12,137.94 : x
  2. Step 2: Convert to fraction form
    16,855.38/23,234.85 = 12,137.94/x
  3. Step 3: Cross multiply
    16,855.38x = 23,234.85 × 12,137.94
  4. Step 4: Simplify right side
    16,855.38x = 282,023,215.21
  5. Step 5: Solve for x
    x = 282,023,215.21/16,855.38
  6. Step 6: Final answer
    x = 16,731.94

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Double scale
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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.