Home / 14,539.56-21,817.62-12,103.89

Finding the Fourth Proportional to 14,539.56, 21,817.62 and 12,103.89

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Solution

The fourth proportional to 14,539.56, 21,817.62 and 12,103.89 is: 18,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539.56 : 21,817.62 = 12,103.89 : x
  2. Step 2: Convert to fraction form
    14,539.56/21,817.62 = 12,103.89/x
  3. Step 3: Cross multiply
    14,539.56x = 21,817.62 × 12,103.89
  4. Step 4: Simplify right side
    14,539.56x = 264,078,072.54
  5. Step 5: Solve for x
    x = 264,078,072.54/14,539.56
  6. Step 6: Final answer
    x = 18,162.73

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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.