Home / 14,563.30-21,845.70-4,174.78

Finding the Fourth Proportional to 14,563.30, 21,845.70 and 4,174.78

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Solution

The fourth proportional to 14,563.30, 21,845.70 and 4,174.78 is: 6,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,563.30 : 21,845.70 = 4,174.78 : x
  2. Step 2: Convert to fraction form
    14,563.30/21,845.70 = 4,174.78/x
  3. Step 3: Cross multiply
    14,563.30x = 21,845.70 × 4,174.78
  4. Step 4: Simplify right side
    14,563.30x = 91,200,991.45
  5. Step 5: Solve for x
    x = 91,200,991.45/14,563.30
  6. Step 6: Final answer
    x = 6,262.38

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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.