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Finding the Fourth Proportional to 16,394.01, 22,633.07 and 10,821.21

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Solution

The fourth proportional to 16,394.01, 22,633.07 and 10,821.21 is: 14,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,394.01 : 22,633.07 = 10,821.21 : x
  2. Step 2: Convert to fraction form
    16,394.01/22,633.07 = 10,821.21/x
  3. Step 3: Cross multiply
    16,394.01x = 22,633.07 × 10,821.21
  4. Step 4: Simplify right side
    16,394.01x = 244,917,149.31
  5. Step 5: Solve for x
    x = 244,917,149.31/16,394.01
  6. Step 6: Final answer
    x = 14,939.43

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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.