Home / 19,696.97-27,182.32-12,148.31

Finding the Fourth Proportional to 19,696.97, 27,182.32 and 12,148.31

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Solution

The fourth proportional to 19,696.97, 27,182.32 and 12,148.31 is: 16,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.97 : 27,182.32 = 12,148.31 : x
  2. Step 2: Convert to fraction form
    19,696.97/27,182.32 = 12,148.31/x
  3. Step 3: Cross multiply
    19,696.97x = 27,182.32 × 12,148.31
  4. Step 4: Simplify right side
    19,696.97x = 330,219,287.46
  5. Step 5: Solve for x
    x = 330,219,287.46/19,696.97
  6. Step 6: Final answer
    x = 16,764.98

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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.