Home / 14,443.62-19,912.92-11,469.30

Finding the Fourth Proportional to 14,443.62, 19,912.92 and 11,469.30

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Solution

The fourth proportional to 14,443.62, 19,912.92 and 11,469.30 is: 15,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.62 : 19,912.92 = 11,469.30 : x
  2. Step 2: Convert to fraction form
    14,443.62/19,912.92 = 11,469.30/x
  3. Step 3: Cross multiply
    14,443.62x = 19,912.92 × 11,469.30
  4. Step 4: Simplify right side
    14,443.62x = 228,387,253.36
  5. Step 5: Solve for x
    x = 228,387,253.36/14,443.62
  6. Step 6: Final answer
    x = 15,812.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.