Home / 19,942.92-27,521.11-10,868.27

Finding the Fourth Proportional to 19,942.92, 27,521.11 and 10,868.27

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Solution

The fourth proportional to 19,942.92, 27,521.11 and 10,868.27 is: 14,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.92 : 27,521.11 = 10,868.27 : x
  2. Step 2: Convert to fraction form
    19,942.92/27,521.11 = 10,868.27/x
  3. Step 3: Cross multiply
    19,942.92x = 27,521.11 × 10,868.27
  4. Step 4: Simplify right side
    19,942.92x = 299,106,689.40
  5. Step 5: Solve for x
    x = 299,106,689.40/19,942.92
  6. Step 6: Final answer
    x = 14,998.14

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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.