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Finding the Fourth Proportional to 18,596.70, 25,663.37 and 10,098.75

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Solution

The fourth proportional to 18,596.70, 25,663.37 and 10,098.75 is: 13,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.70 : 25,663.37 = 10,098.75 : x
  2. Step 2: Convert to fraction form
    18,596.70/25,663.37 = 10,098.75/x
  3. Step 3: Cross multiply
    18,596.70x = 25,663.37 × 10,098.75
  4. Step 4: Simplify right side
    18,596.70x = 259,167,907.29
  5. Step 5: Solve for x
    x = 259,167,907.29/18,596.70
  6. Step 6: Final answer
    x = 13,936.23

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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.