Home / 16,409.39-22,644.83-9,336.20

Finding the Fourth Proportional to 16,409.39, 22,644.83 and 9,336.20

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Solution

The fourth proportional to 16,409.39, 22,644.83 and 9,336.20 is: 12,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,409.39 : 22,644.83 = 9,336.20 : x
  2. Step 2: Convert to fraction form
    16,409.39/22,644.83 = 9,336.20/x
  3. Step 3: Cross multiply
    16,409.39x = 22,644.83 × 9,336.20
  4. Step 4: Simplify right side
    16,409.39x = 211,416,571.96
  5. Step 5: Solve for x
    x = 211,416,571.96/16,409.39
  6. Step 6: Final answer
    x = 12,883.88

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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.