Home / 26,150.13-39,226.86-8,620.11

Finding the Fourth Proportional to 26,150.13, 39,226.86 and 8,620.11

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Solution

The fourth proportional to 26,150.13, 39,226.86 and 8,620.11 is: 12,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,150.13 : 39,226.86 = 8,620.11 : x
  2. Step 2: Convert to fraction form
    26,150.13/39,226.86 = 8,620.11/x
  3. Step 3: Cross multiply
    26,150.13x = 39,226.86 × 8,620.11
  4. Step 4: Simplify right side
    26,150.13x = 338,139,848.15
  5. Step 5: Solve for x
    x = 338,139,848.15/26,150.13
  6. Step 6: Final answer
    x = 12,930.71

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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.