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Finding the Fourth Proportional to 22,360.72, 30,859.24 and 14,793.96

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Solution

The fourth proportional to 22,360.72, 30,859.24 and 14,793.96 is: 20,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.72 : 30,859.24 = 14,793.96 : x
  2. Step 2: Convert to fraction form
    22,360.72/30,859.24 = 14,793.96/x
  3. Step 3: Cross multiply
    22,360.72x = 30,859.24 × 14,793.96
  4. Step 4: Simplify right side
    22,360.72x = 456,530,362.19
  5. Step 5: Solve for x
    x = 456,530,362.19/22,360.72
  6. Step 6: Final answer
    x = 20,416.62

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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.