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Finding the Fourth Proportional to 18,596.36, 25,662.90 and 10,212.68

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Solution

The fourth proportional to 18,596.36, 25,662.90 and 10,212.68 is: 14,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.36 : 25,662.90 = 10,212.68 : x
  2. Step 2: Convert to fraction form
    18,596.36/25,662.90 = 10,212.68/x
  3. Step 3: Cross multiply
    18,596.36x = 25,662.90 × 10,212.68
  4. Step 4: Simplify right side
    18,596.36x = 262,086,985.57
  5. Step 5: Solve for x
    x = 262,086,985.57/18,596.36
  6. Step 6: Final answer
    x = 14,093.46

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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.