Home / 26,157.13-39,230.16-8,622.79

Finding the Fourth Proportional to 26,157.13, 39,230.16 and 8,622.79

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Solution

The fourth proportional to 26,157.13, 39,230.16 and 8,622.79 is: 12,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,157.13 : 39,230.16 = 8,622.79 : x
  2. Step 2: Convert to fraction form
    26,157.13/39,230.16 = 8,622.79/x
  3. Step 3: Cross multiply
    26,157.13x = 39,230.16 × 8,622.79
  4. Step 4: Simplify right side
    26,157.13x = 338,273,431.35
  5. Step 5: Solve for x
    x = 338,273,431.35/26,157.13
  6. Step 6: Final answer
    x = 12,932.36

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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.