Home / 26,113.88-39,162.51-8,579.66

Finding the Fourth Proportional to 26,113.88, 39,162.51 and 8,579.66

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Solution

The fourth proportional to 26,113.88, 39,162.51 and 8,579.66 is: 12,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,113.88 : 39,162.51 = 8,579.66 : x
  2. Step 2: Convert to fraction form
    26,113.88/39,162.51 = 8,579.66/x
  3. Step 3: Cross multiply
    26,113.88x = 39,162.51 × 8,579.66
  4. Step 4: Simplify right side
    26,113.88x = 336,001,020.55
  5. Step 5: Solve for x
    x = 336,001,020.55/26,113.88
  6. Step 6: Final answer
    x = 12,866.76

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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.