Home / 19,943.27-27,521.16-10,868.43

Finding the Fourth Proportional to 19,943.27, 27,521.16 and 10,868.43

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Solution

The fourth proportional to 19,943.27, 27,521.16 and 10,868.43 is: 14,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.27 : 27,521.16 = 10,868.43 : x
  2. Step 2: Convert to fraction form
    19,943.27/27,521.16 = 10,868.43/x
  3. Step 3: Cross multiply
    19,943.27x = 27,521.16 × 10,868.43
  4. Step 4: Simplify right side
    19,943.27x = 299,111,869.78
  5. Step 5: Solve for x
    x = 299,111,869.78/19,943.27
  6. Step 6: Final answer
    x = 14,998.14

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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.