Home / 13,823.24-20,744.10-6,806.60

Finding the Fourth Proportional to 13,823.24, 20,744.10 and 6,806.60

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Solution

The fourth proportional to 13,823.24, 20,744.10 and 6,806.60 is: 10,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.24 : 20,744.10 = 6,806.60 : x
  2. Step 2: Convert to fraction form
    13,823.24/20,744.10 = 6,806.60/x
  3. Step 3: Cross multiply
    13,823.24x = 20,744.10 × 6,806.60
  4. Step 4: Simplify right side
    13,823.24x = 141,196,791.06
  5. Step 5: Solve for x
    x = 141,196,791.06/13,823.24
  6. Step 6: Final answer
    x = 10,214.45

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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.