Home / 26,591.76-39,891.30-11,800.35

Finding the Fourth Proportional to 26,591.76, 39,891.30 and 11,800.35

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Solution

The fourth proportional to 26,591.76, 39,891.30 and 11,800.35 is: 17,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,591.76 : 39,891.30 = 11,800.35 : x
  2. Step 2: Convert to fraction form
    26,591.76/39,891.30 = 11,800.35/x
  3. Step 3: Cross multiply
    26,591.76x = 39,891.30 × 11,800.35
  4. Step 4: Simplify right side
    26,591.76x = 470,731,301.96
  5. Step 5: Solve for x
    x = 470,731,301.96/26,591.76
  6. Step 6: Final answer
    x = 17,702.15

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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.