Home / 13,953.35-20,929.75-4,092.41

Finding the Fourth Proportional to 13,953.35, 20,929.75 and 4,092.41

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Solution

The fourth proportional to 13,953.35, 20,929.75 and 4,092.41 is: 6,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.35 : 20,929.75 = 4,092.41 : x
  2. Step 2: Convert to fraction form
    13,953.35/20,929.75 = 4,092.41/x
  3. Step 3: Cross multiply
    13,953.35x = 20,929.75 × 4,092.41
  4. Step 4: Simplify right side
    13,953.35x = 85,653,118.20
  5. Step 5: Solve for x
    x = 85,653,118.20/13,953.35
  6. Step 6: Final answer
    x = 6,138.53

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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.