Home / 14,346.53-21,520.73-3,816.39

Finding the Fourth Proportional to 14,346.53, 21,520.73 and 3,816.39

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Solution

The fourth proportional to 14,346.53, 21,520.73 and 3,816.39 is: 5,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.53 : 21,520.73 = 3,816.39 : x
  2. Step 2: Convert to fraction form
    14,346.53/21,520.73 = 3,816.39/x
  3. Step 3: Cross multiply
    14,346.53x = 21,520.73 × 3,816.39
  4. Step 4: Simplify right side
    14,346.53x = 82,131,498.76
  5. Step 5: Solve for x
    x = 82,131,498.76/14,346.53
  6. Step 6: Final answer
    x = 5,724.84

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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.