Home / 12,683.26-19,026.54-3,917.44

Finding the Fourth Proportional to 12,683.26, 19,026.54 and 3,917.44

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Solution

The fourth proportional to 12,683.26, 19,026.54 and 3,917.44 is: 5,876.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.26 : 19,026.54 = 3,917.44 : x
  2. Step 2: Convert to fraction form
    12,683.26/19,026.54 = 3,917.44/x
  3. Step 3: Cross multiply
    12,683.26x = 19,026.54 × 3,917.44
  4. Step 4: Simplify right side
    12,683.26x = 74,535,328.86
  5. Step 5: Solve for x
    x = 74,535,328.86/12,683.26
  6. Step 6: Final answer
    x = 5,876.67

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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.