Home / 13,837.95-20,764.82-7,517.52

Finding the Fourth Proportional to 13,837.95, 20,764.82 and 7,517.52

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Solution

The fourth proportional to 13,837.95, 20,764.82 and 7,517.52 is: 11,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.95 : 20,764.82 = 7,517.52 : x
  2. Step 2: Convert to fraction form
    13,837.95/20,764.82 = 7,517.52/x
  3. Step 3: Cross multiply
    13,837.95x = 20,764.82 × 7,517.52
  4. Step 4: Simplify right side
    13,837.95x = 156,099,968.44
  5. Step 5: Solve for x
    x = 156,099,968.44/13,837.95
  6. Step 6: Final answer
    x = 11,280.57

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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.