Home / 17,997.12-26,977.20-8,623.44

Finding the Fourth Proportional to 17,997.12, 26,977.20 and 8,623.44

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Solution

The fourth proportional to 17,997.12, 26,977.20 and 8,623.44 is: 12,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.12 : 26,977.20 = 8,623.44 : x
  2. Step 2: Convert to fraction form
    17,997.12/26,977.20 = 8,623.44/x
  3. Step 3: Cross multiply
    17,997.12x = 26,977.20 × 8,623.44
  4. Step 4: Simplify right side
    17,997.12x = 232,636,265.57
  5. Step 5: Solve for x
    x = 232,636,265.57/17,997.12
  6. Step 6: Final answer
    x = 12,926.31

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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.