Home / 14,299.48-21,450.47-3,769.43

Finding the Fourth Proportional to 14,299.48, 21,450.47 and 3,769.43

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Solution

The fourth proportional to 14,299.48, 21,450.47 and 3,769.43 is: 5,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.48 : 21,450.47 = 3,769.43 : x
  2. Step 2: Convert to fraction form
    14,299.48/21,450.47 = 3,769.43/x
  3. Step 3: Cross multiply
    14,299.48x = 21,450.47 × 3,769.43
  4. Step 4: Simplify right side
    14,299.48x = 80,856,039.69
  5. Step 5: Solve for x
    x = 80,856,039.69/14,299.48
  6. Step 6: Final answer
    x = 5,654.47

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1.5x scale

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.