Home / 19,960.38-27,545.40-12,002.73

Finding the Fourth Proportional to 19,960.38, 27,545.40 and 12,002.73

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Solution

The fourth proportional to 19,960.38, 27,545.40 and 12,002.73 is: 16,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.38 : 27,545.40 = 12,002.73 : x
  2. Step 2: Convert to fraction form
    19,960.38/27,545.40 = 12,002.73/x
  3. Step 3: Cross multiply
    19,960.38x = 27,545.40 × 12,002.73
  4. Step 4: Simplify right side
    19,960.38x = 330,619,998.94
  5. Step 5: Solve for x
    x = 330,619,998.94/19,960.38
  6. Step 6: Final answer
    x = 16,563.81

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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.