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Finding the Fourth Proportional to 15,203.70, 22,811.22 and 9,292.73

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Solution

The fourth proportional to 15,203.70, 22,811.22 and 9,292.73 is: 13,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203.70 : 22,811.22 = 9,292.73 : x
  2. Step 2: Convert to fraction form
    15,203.70/22,811.22 = 9,292.73/x
  3. Step 3: Cross multiply
    15,203.70x = 22,811.22 × 9,292.73
  4. Step 4: Simplify right side
    15,203.70x = 211,978,394.37
  5. Step 5: Solve for x
    x = 211,978,394.37/15,203.70
  6. Step 6: Final answer
    x = 13,942.55

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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.