Home / 13,941.36-20,896.38-7,353.36

Finding the Fourth Proportional to 13,941.36, 20,896.38 and 7,353.36

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Solution

The fourth proportional to 13,941.36, 20,896.38 and 7,353.36 is: 11,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.36 : 20,896.38 = 7,353.36 : x
  2. Step 2: Convert to fraction form
    13,941.36/20,896.38 = 7,353.36/x
  3. Step 3: Cross multiply
    13,941.36x = 20,896.38 × 7,353.36
  4. Step 4: Simplify right side
    13,941.36x = 153,658,604.84
  5. Step 5: Solve for x
    x = 153,658,604.84/13,941.36
  6. Step 6: Final answer
    x = 11,021.78

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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.