Home / 26,418.09-39,631.59-8,883.75

Finding the Fourth Proportional to 26,418.09, 39,631.59 and 8,883.75

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Solution

The fourth proportional to 26,418.09, 39,631.59 and 8,883.75 is: 13,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.09 : 39,631.59 = 8,883.75 : x
  2. Step 2: Convert to fraction form
    26,418.09/39,631.59 = 8,883.75/x
  3. Step 3: Cross multiply
    26,418.09x = 39,631.59 × 8,883.75
  4. Step 4: Simplify right side
    26,418.09x = 352,077,137.66
  5. Step 5: Solve for x
    x = 352,077,137.66/26,418.09
  6. Step 6: Final answer
    x = 13,327.12

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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.