Home / 19,942.94-27,520.90-10,868.38

Finding the Fourth Proportional to 19,942.94, 27,520.90 and 10,868.38

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Solution

The fourth proportional to 19,942.94, 27,520.90 and 10,868.38 is: 14,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.94 : 27,520.90 = 10,868.38 : x
  2. Step 2: Convert to fraction form
    19,942.94/27,520.90 = 10,868.38/x
  3. Step 3: Cross multiply
    19,942.94x = 27,520.90 × 10,868.38
  4. Step 4: Simplify right side
    19,942.94x = 299,107,599.14
  5. Step 5: Solve for x
    x = 299,107,599.14/19,942.94
  6. Step 6: Final answer
    x = 14,998.17

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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.