Home / 13,467.06-20,201.09-6,885.54

Finding the Fourth Proportional to 13,467.06, 20,201.09 and 6,885.54

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Solution

The fourth proportional to 13,467.06, 20,201.09 and 6,885.54 is: 10,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.06 : 20,201.09 = 6,885.54 : x
  2. Step 2: Convert to fraction form
    13,467.06/20,201.09 = 6,885.54/x
  3. Step 3: Cross multiply
    13,467.06x = 20,201.09 × 6,885.54
  4. Step 4: Simplify right side
    13,467.06x = 139,095,378.81
  5. Step 5: Solve for x
    x = 139,095,378.81/13,467.06
  6. Step 6: Final answer
    x = 10,328.56

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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.