Home / 16,490.34-24,731.19-7,716.42

Finding the Fourth Proportional to 16,490.34, 24,731.19 and 7,716.42

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Solution

The fourth proportional to 16,490.34, 24,731.19 and 7,716.42 is: 11,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.34 : 24,731.19 = 7,716.42 : x
  2. Step 2: Convert to fraction form
    16,490.34/24,731.19 = 7,716.42/x
  3. Step 3: Cross multiply
    16,490.34x = 24,731.19 × 7,716.42
  4. Step 4: Simplify right side
    16,490.34x = 190,836,249.14
  5. Step 5: Solve for x
    x = 190,836,249.14/16,490.34
  6. Step 6: Final answer
    x = 11,572.61

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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.