Home / 18,416.20-27,624.30-16,277.80

Finding the Fourth Proportional to 18,416.20, 27,624.30 and 16,277.80

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Solution

The fourth proportional to 18,416.20, 27,624.30 and 16,277.80 is: 24,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.20 : 27,624.30 = 16,277.80 : x
  2. Step 2: Convert to fraction form
    18,416.20/27,624.30 = 16,277.80/x
  3. Step 3: Cross multiply
    18,416.20x = 27,624.30 × 16,277.80
  4. Step 4: Simplify right side
    18,416.20x = 449,662,830.54
  5. Step 5: Solve for x
    x = 449,662,830.54/18,416.20
  6. Step 6: Final answer
    x = 24,416.70

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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.