Home / 37,175.31-55,726.92-12,198.15

Finding the Fourth Proportional to 37,175.31, 55,726.92 and 12,198.15

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Solution

The fourth proportional to 37,175.31, 55,726.92 and 12,198.15 is: 18,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,175.31 : 55,726.92 = 12,198.15 : x
  2. Step 2: Convert to fraction form
    37,175.31/55,726.92 = 12,198.15/x
  3. Step 3: Cross multiply
    37,175.31x = 55,726.92 × 12,198.15
  4. Step 4: Simplify right side
    37,175.31x = 679,765,329.20
  5. Step 5: Solve for x
    x = 679,765,329.20/37,175.31
  6. Step 6: Final answer
    x = 18,285.40

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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.