Home / 19,942.73-27,520.62-10,868.18

Finding the Fourth Proportional to 19,942.73, 27,520.62 and 10,868.18

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Solution

The fourth proportional to 19,942.73, 27,520.62 and 10,868.18 is: 14,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.73 : 27,520.62 = 10,868.18 : x
  2. Step 2: Convert to fraction form
    19,942.73/27,520.62 = 10,868.18/x
  3. Step 3: Cross multiply
    19,942.73x = 27,520.62 × 10,868.18
  4. Step 4: Simplify right side
    19,942.73x = 299,099,051.87
  5. Step 5: Solve for x
    x = 299,099,051.87/19,942.73
  6. Step 6: Final answer
    x = 14,997.90

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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.