Home / 13,107.38-19,649.25-4,781.58

Finding the Fourth Proportional to 13,107.38, 19,649.25 and 4,781.58

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Solution

The fourth proportional to 13,107.38, 19,649.25 and 4,781.58 is: 7,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.38 : 19,649.25 = 4,781.58 : x
  2. Step 2: Convert to fraction form
    13,107.38/19,649.25 = 4,781.58/x
  3. Step 3: Cross multiply
    13,107.38x = 19,649.25 × 4,781.58
  4. Step 4: Simplify right side
    13,107.38x = 93,954,460.82
  5. Step 5: Solve for x
    x = 93,954,460.82/13,107.38
  6. Step 6: Final answer
    x = 7,168.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.