Home / 12,683.48-19,026.14-3,917.26

Finding the Fourth Proportional to 12,683.48, 19,026.14 and 3,917.26

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Solution

The fourth proportional to 12,683.48, 19,026.14 and 3,917.26 is: 5,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.48 : 19,026.14 = 3,917.26 : x
  2. Step 2: Convert to fraction form
    12,683.48/19,026.14 = 3,917.26/x
  3. Step 3: Cross multiply
    12,683.48x = 19,026.14 × 3,917.26
  4. Step 4: Simplify right side
    12,683.48x = 74,530,317.59
  5. Step 5: Solve for x
    x = 74,530,317.59/12,683.48
  6. Step 6: Final answer
    x = 5,876.17

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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.