Home / 26,378.76-39,578.49-11,577.36

Finding the Fourth Proportional to 26,378.76, 39,578.49 and 11,577.36

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Solution

The fourth proportional to 26,378.76, 39,578.49 and 11,577.36 is: 17,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.76 : 39,578.49 = 11,577.36 : x
  2. Step 2: Convert to fraction form
    26,378.76/39,578.49 = 11,577.36/x
  3. Step 3: Cross multiply
    26,378.76x = 39,578.49 × 11,577.36
  4. Step 4: Simplify right side
    26,378.76x = 458,214,426.99
  5. Step 5: Solve for x
    x = 458,214,426.99/26,378.76
  6. Step 6: Final answer
    x = 17,370.58

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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.