Home / 14,441.81-21,661.07-3,911.22

Finding the Fourth Proportional to 14,441.81, 21,661.07 and 3,911.22

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Solution

The fourth proportional to 14,441.81, 21,661.07 and 3,911.22 is: 5,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.81 : 21,661.07 = 3,911.22 : x
  2. Step 2: Convert to fraction form
    14,441.81/21,661.07 = 3,911.22/x
  3. Step 3: Cross multiply
    14,441.81x = 21,661.07 × 3,911.22
  4. Step 4: Simplify right side
    14,441.81x = 84,721,190.65
  5. Step 5: Solve for x
    x = 84,721,190.65/14,441.81
  6. Step 6: Final answer
    x = 5,866.39

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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.