Home / 26,530.62-39,789.30-7,806.92

Finding the Fourth Proportional to 26,530.62, 39,789.30 and 7,806.92

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Solution

The fourth proportional to 26,530.62, 39,789.30 and 7,806.92 is: 11,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.62 : 39,789.30 = 7,806.92 : x
  2. Step 2: Convert to fraction form
    26,530.62/39,789.30 = 7,806.92/x
  3. Step 3: Cross multiply
    26,530.62x = 39,789.30 × 7,806.92
  4. Step 4: Simplify right side
    26,530.62x = 310,631,881.96
  5. Step 5: Solve for x
    x = 310,631,881.96/26,530.62
  6. Step 6: Final answer
    x = 11,708.43

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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.