Home / 17,984.31-26,976.72-6,891.56

Finding the Fourth Proportional to 17,984.31, 26,976.72 and 6,891.56

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Solution

The fourth proportional to 17,984.31, 26,976.72 and 6,891.56 is: 10,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.31 : 26,976.72 = 6,891.56 : x
  2. Step 2: Convert to fraction form
    17,984.31/26,976.72 = 6,891.56/x
  3. Step 3: Cross multiply
    17,984.31x = 26,976.72 × 6,891.56
  4. Step 4: Simplify right side
    17,984.31x = 185,911,684.48
  5. Step 5: Solve for x
    x = 185,911,684.48/17,984.31
  6. Step 6: Final answer
    x = 10,337.44

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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.