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Finding the Fourth Proportional to 16,393.62, 22,600.26 and 13,865.54

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Solution

The fourth proportional to 16,393.62, 22,600.26 and 13,865.54 is: 19,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,393.62 : 22,600.26 = 13,865.54 : x
  2. Step 2: Convert to fraction form
    16,393.62/22,600.26 = 13,865.54/x
  3. Step 3: Cross multiply
    16,393.62x = 22,600.26 × 13,865.54
  4. Step 4: Simplify right side
    16,393.62x = 313,364,809.04
  5. Step 5: Solve for x
    x = 313,364,809.04/16,393.62
  6. Step 6: Final answer
    x = 19,115.05

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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.