Home / 16,428.62-24,575.00-12,449.90

Finding the Fourth Proportional to 16,428.62, 24,575.00 and 12,449.90

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Solution

The fourth proportional to 16,428.62, 24,575.00 and 12,449.90 is: 18,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.62 : 24,575.00 = 12,449.90 : x
  2. Step 2: Convert to fraction form
    16,428.62/24,575.00 = 12,449.90/x
  3. Step 3: Cross multiply
    16,428.62x = 24,575.00 × 12,449.90
  4. Step 4: Simplify right side
    16,428.62x = 305,956,291.69
  5. Step 5: Solve for x
    x = 305,956,291.69/16,428.62
  6. Step 6: Final answer
    x = 18,623.37

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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.