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Finding the Fourth Proportional to 22,183, 30,612.52 and 14,225.20

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Solution

The fourth proportional to 22,183, 30,612.52 and 14,225.20 is: 19,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183 : 30,612.52 = 14,225.20 : x
  2. Step 2: Convert to fraction form
    22,183/30,612.52 = 14,225.20/x
  3. Step 3: Cross multiply
    22,183x = 30,612.52 × 14,225.20
  4. Step 4: Simplify right side
    22,183x = 435,469,219.50
  5. Step 5: Solve for x
    x = 435,469,219.50/22,183
  6. Step 6: Final answer
    x = 19,630.76

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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.