Home / 26,658.83-39,983.38-11,855.27

Finding the Fourth Proportional to 26,658.83, 39,983.38 and 11,855.27

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Solution

The fourth proportional to 26,658.83, 39,983.38 and 11,855.27 is: 17,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.83 : 39,983.38 = 11,855.27 : x
  2. Step 2: Convert to fraction form
    26,658.83/39,983.38 = 11,855.27/x
  3. Step 3: Cross multiply
    26,658.83x = 39,983.38 × 11,855.27
  4. Step 4: Simplify right side
    26,658.83x = 474,013,765.41
  5. Step 5: Solve for x
    x = 474,013,765.41/26,658.83
  6. Step 6: Final answer
    x = 17,780.74

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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.