Home / 16,936.91-25,421.12-8,623.14

Finding the Fourth Proportional to 16,936.91, 25,421.12 and 8,623.14

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Solution

The fourth proportional to 16,936.91, 25,421.12 and 8,623.14 is: 12,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,936.91 : 25,421.12 = 8,623.14 : x
  2. Step 2: Convert to fraction form
    16,936.91/25,421.12 = 8,623.14/x
  3. Step 3: Cross multiply
    16,936.91x = 25,421.12 × 8,623.14
  4. Step 4: Simplify right side
    16,936.91x = 219,209,833.60
  5. Step 5: Solve for x
    x = 219,209,833.60/16,936.91
  6. Step 6: Final answer
    x = 12,942.73

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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.