Home / 16,329.78-24,491.25-4,639.86

Finding the Fourth Proportional to 16,329.78, 24,491.25 and 4,639.86

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Solution

The fourth proportional to 16,329.78, 24,491.25 and 4,639.86 is: 6,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,329.78 : 24,491.25 = 4,639.86 : x
  2. Step 2: Convert to fraction form
    16,329.78/24,491.25 = 4,639.86/x
  3. Step 3: Cross multiply
    16,329.78x = 24,491.25 × 4,639.86
  4. Step 4: Simplify right side
    16,329.78x = 113,635,971.23
  5. Step 5: Solve for x
    x = 113,635,971.23/16,329.78
  6. Step 6: Final answer
    x = 6,958.82

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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.