Home / 13,576.62-18,752.94-12,249.84

Finding the Fourth Proportional to 13,576.62, 18,752.94 and 12,249.84

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Solution

The fourth proportional to 13,576.62, 18,752.94 and 12,249.84 is: 16,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.62 : 18,752.94 = 12,249.84 : x
  2. Step 2: Convert to fraction form
    13,576.62/18,752.94 = 12,249.84/x
  3. Step 3: Cross multiply
    13,576.62x = 18,752.94 × 12,249.84
  4. Step 4: Simplify right side
    13,576.62x = 229,720,514.53
  5. Step 5: Solve for x
    x = 229,720,514.53/13,576.62
  6. Step 6: Final answer
    x = 16,920.30

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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.