Home / 25,943.19-38,908.53-11,894.43

Finding the Fourth Proportional to 25,943.19, 38,908.53 and 11,894.43

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Solution

The fourth proportional to 25,943.19, 38,908.53 and 11,894.43 is: 17,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,943.19 : 38,908.53 = 11,894.43 : x
  2. Step 2: Convert to fraction form
    25,943.19/38,908.53 = 11,894.43/x
  3. Step 3: Cross multiply
    25,943.19x = 38,908.53 × 11,894.43
  4. Step 4: Simplify right side
    25,943.19x = 462,794,786.49
  5. Step 5: Solve for x
    x = 462,794,786.49/25,943.19
  6. Step 6: Final answer
    x = 17,838.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.