Home / 16,380.65-24,575.12-6,519.89

Finding the Fourth Proportional to 16,380.65, 24,575.12 and 6,519.89

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Solution

The fourth proportional to 16,380.65, 24,575.12 and 6,519.89 is: 9,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.65 : 24,575.12 = 6,519.89 : x
  2. Step 2: Convert to fraction form
    16,380.65/24,575.12 = 6,519.89/x
  3. Step 3: Cross multiply
    16,380.65x = 24,575.12 × 6,519.89
  4. Step 4: Simplify right side
    16,380.65x = 160,227,079.14
  5. Step 5: Solve for x
    x = 160,227,079.14/16,380.65
  6. Step 6: Final answer
    x = 9,781.48

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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.