Home / 26,215.88-39,327.83-8,689.82

Finding the Fourth Proportional to 26,215.88, 39,327.83 and 8,689.82

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Solution

The fourth proportional to 26,215.88, 39,327.83 and 8,689.82 is: 13,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,215.88 : 39,327.83 = 8,689.82 : x
  2. Step 2: Convert to fraction form
    26,215.88/39,327.83 = 8,689.82/x
  3. Step 3: Cross multiply
    26,215.88x = 39,327.83 × 8,689.82
  4. Step 4: Simplify right side
    26,215.88x = 341,751,523.60
  5. Step 5: Solve for x
    x = 341,751,523.60/26,215.88
  6. Step 6: Final answer
    x = 13,036.05

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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.