Home / 19,801.83-29,696.69-7,949.36

Finding the Fourth Proportional to 19,801.83, 29,696.69 and 7,949.36

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Solution

The fourth proportional to 19,801.83, 29,696.69 and 7,949.36 is: 11,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.83 : 29,696.69 = 7,949.36 : x
  2. Step 2: Convert to fraction form
    19,801.83/29,696.69 = 7,949.36/x
  3. Step 3: Cross multiply
    19,801.83x = 29,696.69 × 7,949.36
  4. Step 4: Simplify right side
    19,801.83x = 236,069,679.62
  5. Step 5: Solve for x
    x = 236,069,679.62/19,801.83
  6. Step 6: Final answer
    x = 11,921.61

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1.5x scale

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.