Home / 14,205.44-21,314.31-7,623.94

Finding the Fourth Proportional to 14,205.44, 21,314.31 and 7,623.94

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Solution

The fourth proportional to 14,205.44, 21,314.31 and 7,623.94 is: 11,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.44 : 21,314.31 = 7,623.94 : x
  2. Step 2: Convert to fraction form
    14,205.44/21,314.31 = 7,623.94/x
  3. Step 3: Cross multiply
    14,205.44x = 21,314.31 × 7,623.94
  4. Step 4: Simplify right side
    14,205.44x = 162,498,967.30
  5. Step 5: Solve for x
    x = 162,498,967.30/14,205.44
  6. Step 6: Final answer
    x = 11,439.20

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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.