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Finding the Fourth Proportional to 22,330.68, 30,813.12 and 14,383.68

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Solution

The fourth proportional to 22,330.68, 30,813.12 and 14,383.68 is: 19,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.68 : 30,813.12 = 14,383.68 : x
  2. Step 2: Convert to fraction form
    22,330.68/30,813.12 = 14,383.68/x
  3. Step 3: Cross multiply
    22,330.68x = 30,813.12 × 14,383.68
  4. Step 4: Simplify right side
    22,330.68x = 443,206,057.88
  5. Step 5: Solve for x
    x = 443,206,057.88/22,330.68
  6. Step 6: Final answer
    x = 19,847.41

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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.