Home / 14,550.75-21,834-11,270.25

Finding the Fourth Proportional to 14,550.75, 21,834 and 11,270.25

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Solution

The fourth proportional to 14,550.75, 21,834 and 11,270.25 is: 16,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.75 : 21,834 = 11,270.25 : x
  2. Step 2: Convert to fraction form
    14,550.75/21,834 = 11,270.25/x
  3. Step 3: Cross multiply
    14,550.75x = 21,834 × 11,270.25
  4. Step 4: Simplify right side
    14,550.75x = 246,074,638.50
  5. Step 5: Solve for x
    x = 246,074,638.50/14,550.75
  6. Step 6: Final answer
    x = 16,911.47

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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.