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Finding the Fourth Proportional to 16,321.70, 22,524.08 and 9,246.76

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Solution

The fourth proportional to 16,321.70, 22,524.08 and 9,246.76 is: 12,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,321.70 : 22,524.08 = 9,246.76 : x
  2. Step 2: Convert to fraction form
    16,321.70/22,524.08 = 9,246.76/x
  3. Step 3: Cross multiply
    16,321.70x = 22,524.08 × 9,246.76
  4. Step 4: Simplify right side
    16,321.70x = 208,274,659.44
  5. Step 5: Solve for x
    x = 208,274,659.44/16,321.70
  6. Step 6: Final answer
    x = 12,760.60

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Half scale
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Double scale
Find fourth proportional to 16,322.70, 22,525.46 and 9,247.76
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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.