Home / 20,013.11-27,614.17-12,055.77

Finding the Fourth Proportional to 20,013.11, 27,614.17 and 12,055.77

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Solution

The fourth proportional to 20,013.11, 27,614.17 and 12,055.77 is: 16,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.11 : 27,614.17 = 12,055.77 : x
  2. Step 2: Convert to fraction form
    20,013.11/27,614.17 = 12,055.77/x
  3. Step 3: Cross multiply
    20,013.11x = 27,614.17 × 12,055.77
  4. Step 4: Simplify right side
    20,013.11x = 332,910,029.52
  5. Step 5: Solve for x
    x = 332,910,029.52/20,013.11
  6. Step 6: Final answer
    x = 16,634.60

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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.