Home / 18,674.20-25,773.14-12,299.77

Finding the Fourth Proportional to 18,674.20, 25,773.14 and 12,299.77

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Solution

The fourth proportional to 18,674.20, 25,773.14 and 12,299.77 is: 16,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.20 : 25,773.14 = 12,299.77 : x
  2. Step 2: Convert to fraction form
    18,674.20/25,773.14 = 12,299.77/x
  3. Step 3: Cross multiply
    18,674.20x = 25,773.14 × 12,299.77
  4. Step 4: Simplify right side
    18,674.20x = 317,003,694.18
  5. Step 5: Solve for x
    x = 317,003,694.18/18,674.20
  6. Step 6: Final answer
    x = 16,975.49

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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.