Home / 14,611.85-21,920.52-4,753.95

Finding the Fourth Proportional to 14,611.85, 21,920.52 and 4,753.95

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Solution

The fourth proportional to 14,611.85, 21,920.52 and 4,753.95 is: 7,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.85 : 21,920.52 = 4,753.95 : x
  2. Step 2: Convert to fraction form
    14,611.85/21,920.52 = 4,753.95/x
  3. Step 3: Cross multiply
    14,611.85x = 21,920.52 × 4,753.95
  4. Step 4: Simplify right side
    14,611.85x = 104,208,991.68
  5. Step 5: Solve for x
    x = 104,208,991.68/14,611.85
  6. Step 6: Final answer
    x = 7,131.81

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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.