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Finding the Fourth Proportional to 18,596.66, 25,663.41 and 10,098.78

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Solution

The fourth proportional to 18,596.66, 25,663.41 and 10,098.78 is: 13,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.66 : 25,663.41 = 10,098.78 : x
  2. Step 2: Convert to fraction form
    18,596.66/25,663.41 = 10,098.78/x
  3. Step 3: Cross multiply
    18,596.66x = 25,663.41 × 10,098.78
  4. Step 4: Simplify right side
    18,596.66x = 259,169,131.64
  5. Step 5: Solve for x
    x = 259,169,131.64/18,596.66
  6. Step 6: Final answer
    x = 13,936.33

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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.