Home / 19,874.66-29,811.68-5,083.45

Finding the Fourth Proportional to 19,874.66, 29,811.68 and 5,083.45

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Solution

The fourth proportional to 19,874.66, 29,811.68 and 5,083.45 is: 7,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.66 : 29,811.68 = 5,083.45 : x
  2. Step 2: Convert to fraction form
    19,874.66/29,811.68 = 5,083.45/x
  3. Step 3: Cross multiply
    19,874.66x = 29,811.68 × 5,083.45
  4. Step 4: Simplify right side
    19,874.66x = 151,546,103.81
  5. Step 5: Solve for x
    x = 151,546,103.81/19,874.66
  6. Step 6: Final answer
    x = 7,625.09

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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.