Home / 39,198.15-58,801.11-12,537.44

Finding the Fourth Proportional to 39,198.15, 58,801.11 and 12,537.44

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Solution

The fourth proportional to 39,198.15, 58,801.11 and 12,537.44 is: 18,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.15 : 58,801.11 = 12,537.44 : x
  2. Step 2: Convert to fraction form
    39,198.15/58,801.11 = 12,537.44/x
  3. Step 3: Cross multiply
    39,198.15x = 58,801.11 × 12,537.44
  4. Step 4: Simplify right side
    39,198.15x = 737,215,388.56
  5. Step 5: Solve for x
    x = 737,215,388.56/39,198.15
  6. Step 6: Final answer
    x = 18,807.40

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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.