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Finding the Fourth Proportional to 19,220.92, 26,523.84 and 10,836.88

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Solution

The fourth proportional to 19,220.92, 26,523.84 and 10,836.88 is: 14,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.92 : 26,523.84 = 10,836.88 : x
  2. Step 2: Convert to fraction form
    19,220.92/26,523.84 = 10,836.88/x
  3. Step 3: Cross multiply
    19,220.92x = 26,523.84 × 10,836.88
  4. Step 4: Simplify right side
    19,220.92x = 287,435,671.22
  5. Step 5: Solve for x
    x = 287,435,671.22/19,220.92
  6. Step 6: Final answer
    x = 14,954.31

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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.