Home / 14,557.75-21,836.63-3,613.75

Finding the Fourth Proportional to 14,557.75, 21,836.63 and 3,613.75

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Solution

The fourth proportional to 14,557.75, 21,836.63 and 3,613.75 is: 5,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.75 : 21,836.63 = 3,613.75 : x
  2. Step 2: Convert to fraction form
    14,557.75/21,836.63 = 3,613.75/x
  3. Step 3: Cross multiply
    14,557.75x = 21,836.63 × 3,613.75
  4. Step 4: Simplify right side
    14,557.75x = 78,912,121.66
  5. Step 5: Solve for x
    x = 78,912,121.66/14,557.75
  6. Step 6: Final answer
    x = 5,420.63

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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.