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Finding the Fourth Proportional to 15,796.94, 21,799.78 and 9,083.88

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Solution

The fourth proportional to 15,796.94, 21,799.78 and 9,083.88 is: 12,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.94 : 21,799.78 = 9,083.88 : x
  2. Step 2: Convert to fraction form
    15,796.94/21,799.78 = 9,083.88/x
  3. Step 3: Cross multiply
    15,796.94x = 21,799.78 × 9,083.88
  4. Step 4: Simplify right side
    15,796.94x = 198,026,585.55
  5. Step 5: Solve for x
    x = 198,026,585.55/15,796.94
  6. Step 6: Final answer
    x = 12,535.76

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1.5x scale

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.