Home / 26,175.24-39,231.72-12,115.68

Finding the Fourth Proportional to 26,175.24, 39,231.72 and 12,115.68

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Solution

The fourth proportional to 26,175.24, 39,231.72 and 12,115.68 is: 18,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,175.24 : 39,231.72 = 12,115.68 : x
  2. Step 2: Convert to fraction form
    26,175.24/39,231.72 = 12,115.68/x
  3. Step 3: Cross multiply
    26,175.24x = 39,231.72 × 12,115.68
  4. Step 4: Simplify right side
    26,175.24x = 475,318,965.37
  5. Step 5: Solve for x
    x = 475,318,965.37/26,175.24
  6. Step 6: Final answer
    x = 18,159.11

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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.