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Finding the Fourth Proportional to 16,183, 22,332.54 and 11,217.88

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Solution

The fourth proportional to 16,183, 22,332.54 and 11,217.88 is: 15,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,183 : 22,332.54 = 11,217.88 : x
  2. Step 2: Convert to fraction form
    16,183/22,332.54 = 11,217.88/x
  3. Step 3: Cross multiply
    16,183x = 22,332.54 × 11,217.88
  4. Step 4: Simplify right side
    16,183x = 250,523,753.82
  5. Step 5: Solve for x
    x = 250,523,753.82/16,183
  6. Step 6: Final answer
    x = 15,480.67

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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.