Home / 16,640.14-24,942.72-6,640.96

Finding the Fourth Proportional to 16,640.14, 24,942.72 and 6,640.96

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Solution

The fourth proportional to 16,640.14, 24,942.72 and 6,640.96 is: 9,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.14 : 24,942.72 = 6,640.96 : x
  2. Step 2: Convert to fraction form
    16,640.14/24,942.72 = 6,640.96/x
  3. Step 3: Cross multiply
    16,640.14x = 24,942.72 × 6,640.96
  4. Step 4: Simplify right side
    16,640.14x = 165,643,605.81
  5. Step 5: Solve for x
    x = 165,643,605.81/16,640.14
  6. Step 6: Final answer
    x = 9,954.46

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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.