Home / 13,473.36-20,194.92-6,890.04

Finding the Fourth Proportional to 13,473.36, 20,194.92 and 6,890.04

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Solution

The fourth proportional to 13,473.36, 20,194.92 and 6,890.04 is: 10,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.36 : 20,194.92 = 6,890.04 : x
  2. Step 2: Convert to fraction form
    13,473.36/20,194.92 = 6,890.04/x
  3. Step 3: Cross multiply
    13,473.36x = 20,194.92 × 6,890.04
  4. Step 4: Simplify right side
    13,473.36x = 139,143,806.60
  5. Step 5: Solve for x
    x = 139,143,806.60/13,473.36
  6. Step 6: Final answer
    x = 10,327.33

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1.5x scale

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.