Home / 13,472.24-20,212.36-6,903.04

Finding the Fourth Proportional to 13,472.24, 20,212.36 and 6,903.04

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Solution

The fourth proportional to 13,472.24, 20,212.36 and 6,903.04 is: 10,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.24 : 20,212.36 = 6,903.04 : x
  2. Step 2: Convert to fraction form
    13,472.24/20,212.36 = 6,903.04/x
  3. Step 3: Cross multiply
    13,472.24x = 20,212.36 × 6,903.04
  4. Step 4: Simplify right side
    13,472.24x = 139,526,729.57
  5. Step 5: Solve for x
    x = 139,526,729.57/13,472.24
  6. Step 6: Final answer
    x = 10,356.61

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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.