Home / 13,861.14-20,795.70-6,469.98

Finding the Fourth Proportional to 13,861.14, 20,795.70 and 6,469.98

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Solution

The fourth proportional to 13,861.14, 20,795.70 and 6,469.98 is: 9,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.14 : 20,795.70 = 6,469.98 : x
  2. Step 2: Convert to fraction form
    13,861.14/20,795.70 = 6,469.98/x
  3. Step 3: Cross multiply
    13,861.14x = 20,795.70 × 6,469.98
  4. Step 4: Simplify right side
    13,861.14x = 134,547,763.09
  5. Step 5: Solve for x
    x = 134,547,763.09/13,861.14
  6. Step 6: Final answer
    x = 9,706.83

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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.