Home / 14,457.38-21,687.52-3,927.56

Finding the Fourth Proportional to 14,457.38, 21,687.52 and 3,927.56

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Solution

The fourth proportional to 14,457.38, 21,687.52 and 3,927.56 is: 5,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.38 : 21,687.52 = 3,927.56 : x
  2. Step 2: Convert to fraction form
    14,457.38/21,687.52 = 3,927.56/x
  3. Step 3: Cross multiply
    14,457.38x = 21,687.52 × 3,927.56
  4. Step 4: Simplify right side
    14,457.38x = 85,179,036.05
  5. Step 5: Solve for x
    x = 85,179,036.05/14,457.38
  6. Step 6: Final answer
    x = 5,891.73

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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.