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Finding the Fourth Proportional to 15,186.96, 22,786.92 and 7,393.68

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Solution

The fourth proportional to 15,186.96, 22,786.92 and 7,393.68 is: 11,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.96 : 22,786.92 = 7,393.68 : x
  2. Step 2: Convert to fraction form
    15,186.96/22,786.92 = 7,393.68/x
  3. Step 3: Cross multiply
    15,186.96x = 22,786.92 × 7,393.68
  4. Step 4: Simplify right side
    15,186.96x = 168,479,194.67
  5. Step 5: Solve for x
    x = 168,479,194.67/15,186.96
  6. Step 6: Final answer
    x = 11,093.67

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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.