Home / 13,571.25-20,353.68-6,903.33

Finding the Fourth Proportional to 13,571.25, 20,353.68 and 6,903.33

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Solution

The fourth proportional to 13,571.25, 20,353.68 and 6,903.33 is: 10,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.25 : 20,353.68 = 6,903.33 : x
  2. Step 2: Convert to fraction form
    13,571.25/20,353.68 = 6,903.33/x
  3. Step 3: Cross multiply
    13,571.25x = 20,353.68 × 6,903.33
  4. Step 4: Simplify right side
    13,571.25x = 140,508,093.43
  5. Step 5: Solve for x
    x = 140,508,093.43/13,571.25
  6. Step 6: Final answer
    x = 10,353.37

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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.