Home / 38,791.74-58,187.61-12,496.98

Finding the Fourth Proportional to 38,791.74, 58,187.61 and 12,496.98

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Solution

The fourth proportional to 38,791.74, 58,187.61 and 12,496.98 is: 18,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,791.74 : 58,187.61 = 12,496.98 : x
  2. Step 2: Convert to fraction form
    38,791.74/58,187.61 = 12,496.98/x
  3. Step 3: Cross multiply
    38,791.74x = 58,187.61 × 12,496.98
  4. Step 4: Simplify right side
    38,791.74x = 727,169,398.42
  5. Step 5: Solve for x
    x = 727,169,398.42/38,791.74
  6. Step 6: Final answer
    x = 18,745.47

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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.