Home / 17,860.12-26,795.39-7,997.09

Finding the Fourth Proportional to 17,860.12, 26,795.39 and 7,997.09

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Solution

The fourth proportional to 17,860.12, 26,795.39 and 7,997.09 is: 11,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,860.12 : 26,795.39 = 7,997.09 : x
  2. Step 2: Convert to fraction form
    17,860.12/26,795.39 = 7,997.09/x
  3. Step 3: Cross multiply
    17,860.12x = 26,795.39 × 7,997.09
  4. Step 4: Simplify right side
    17,860.12x = 214,284,971.45
  5. Step 5: Solve for x
    x = 214,284,971.45/17,860.12
  6. Step 6: Final answer
    x = 11,997.96

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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.