Home / 12,997.16-17,942.97-10,006.44

Finding the Fourth Proportional to 12,997.16, 17,942.97 and 10,006.44

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Solution

The fourth proportional to 12,997.16, 17,942.97 and 10,006.44 is: 13,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997.16 : 17,942.97 = 10,006.44 : x
  2. Step 2: Convert to fraction form
    12,997.16/17,942.97 = 10,006.44/x
  3. Step 3: Cross multiply
    12,997.16x = 17,942.97 × 10,006.44
  4. Step 4: Simplify right side
    12,997.16x = 179,545,166.68
  5. Step 5: Solve for x
    x = 179,545,166.68/12,997.16
  6. Step 6: Final answer
    x = 13,814.19

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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.