Home / 18,436.67-25,453.10-12,167.27

Finding the Fourth Proportional to 18,436.67, 25,453.10 and 12,167.27

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Solution

The fourth proportional to 18,436.67, 25,453.10 and 12,167.27 is: 16,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.67 : 25,453.10 = 12,167.27 : x
  2. Step 2: Convert to fraction form
    18,436.67/25,453.10 = 12,167.27/x
  3. Step 3: Cross multiply
    18,436.67x = 25,453.10 × 12,167.27
  4. Step 4: Simplify right side
    18,436.67x = 309,694,740.04
  5. Step 5: Solve for x
    x = 309,694,740.04/18,436.67
  6. Step 6: Final answer
    x = 16,797.76

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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.