Home / 16,974.60-25,461.90-5,287.83

Finding the Fourth Proportional to 16,974.60, 25,461.90 and 5,287.83

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Solution

The fourth proportional to 16,974.60, 25,461.90 and 5,287.83 is: 7,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.60 : 25,461.90 = 5,287.83 : x
  2. Step 2: Convert to fraction form
    16,974.60/25,461.90 = 5,287.83/x
  3. Step 3: Cross multiply
    16,974.60x = 25,461.90 × 5,287.83
  4. Step 4: Simplify right side
    16,974.60x = 134,638,198.68
  5. Step 5: Solve for x
    x = 134,638,198.68/16,974.60
  6. Step 6: Final answer
    x = 7,931.75

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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.