Home / 26,110.60-39,162.04-8,580.60

Finding the Fourth Proportional to 26,110.60, 39,162.04 and 8,580.60

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Solution

The fourth proportional to 26,110.60, 39,162.04 and 8,580.60 is: 12,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,110.60 : 39,162.04 = 8,580.60 : x
  2. Step 2: Convert to fraction form
    26,110.60/39,162.04 = 8,580.60/x
  3. Step 3: Cross multiply
    26,110.60x = 39,162.04 × 8,580.60
  4. Step 4: Simplify right side
    26,110.60x = 336,033,800.42
  5. Step 5: Solve for x
    x = 336,033,800.42/26,110.60
  6. Step 6: Final answer
    x = 12,869.63

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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.