Home / 19,336.49-28,996.54-6,859.66

Finding the Fourth Proportional to 19,336.49, 28,996.54 and 6,859.66

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Solution

The fourth proportional to 19,336.49, 28,996.54 and 6,859.66 is: 10,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.49 : 28,996.54 = 6,859.66 : x
  2. Step 2: Convert to fraction form
    19,336.49/28,996.54 = 6,859.66/x
  3. Step 3: Cross multiply
    19,336.49x = 28,996.54 × 6,859.66
  4. Step 4: Simplify right side
    19,336.49x = 198,906,315.94
  5. Step 5: Solve for x
    x = 198,906,315.94/19,336.49
  6. Step 6: Final answer
    x = 10,286.58

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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.