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Finding the Fourth Proportional to 22,393.70, 33,553.65 and 13,007.37

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Solution

The fourth proportional to 22,393.70, 33,553.65 and 13,007.37 is: 19,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,393.70 : 33,553.65 = 13,007.37 : x
  2. Step 2: Convert to fraction form
    22,393.70/33,553.65 = 13,007.37/x
  3. Step 3: Cross multiply
    22,393.70x = 33,553.65 × 13,007.37
  4. Step 4: Simplify right side
    22,393.70x = 436,444,803.80
  5. Step 5: Solve for x
    x = 436,444,803.80/22,393.70
  6. Step 6: Final answer
    x = 19,489.62

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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.