Home / 16,919.66-25,382.58-5,673.90

Finding the Fourth Proportional to 16,919.66, 25,382.58 and 5,673.90

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Solution

The fourth proportional to 16,919.66, 25,382.58 and 5,673.90 is: 8,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.66 : 25,382.58 = 5,673.90 : x
  2. Step 2: Convert to fraction form
    16,919.66/25,382.58 = 5,673.90/x
  3. Step 3: Cross multiply
    16,919.66x = 25,382.58 × 5,673.90
  4. Step 4: Simplify right side
    16,919.66x = 144,018,220.66
  5. Step 5: Solve for x
    x = 144,018,220.66/16,919.66
  6. Step 6: Final answer
    x = 8,511.89

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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.