Home / 26,480.96-39,721.40-6,759.51

Finding the Fourth Proportional to 26,480.96, 39,721.40 and 6,759.51

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Solution

The fourth proportional to 26,480.96, 39,721.40 and 6,759.51 is: 10,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.96 : 39,721.40 = 6,759.51 : x
  2. Step 2: Convert to fraction form
    26,480.96/39,721.40 = 6,759.51/x
  3. Step 3: Cross multiply
    26,480.96x = 39,721.40 × 6,759.51
  4. Step 4: Simplify right side
    26,480.96x = 268,497,166.72
  5. Step 5: Solve for x
    x = 268,497,166.72/26,480.96
  6. Step 6: Final answer
    x = 10,139.26

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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.