Home / 16,331.20-24,496.80-12,394.60

Finding the Fourth Proportional to 16,331.20, 24,496.80 and 12,394.60

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Solution

The fourth proportional to 16,331.20, 24,496.80 and 12,394.60 is: 18,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.20 : 24,496.80 = 12,394.60 : x
  2. Step 2: Convert to fraction form
    16,331.20/24,496.80 = 12,394.60/x
  3. Step 3: Cross multiply
    16,331.20x = 24,496.80 × 12,394.60
  4. Step 4: Simplify right side
    16,331.20x = 303,628,037.28
  5. Step 5: Solve for x
    x = 303,628,037.28/16,331.20
  6. Step 6: Final answer
    x = 18,591.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.