Home / 14,571.24-20,107.60-8,283.48

Finding the Fourth Proportional to 14,571.24, 20,107.60 and 8,283.48

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Solution

The fourth proportional to 14,571.24, 20,107.60 and 8,283.48 is: 11,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.24 : 20,107.60 = 8,283.48 : x
  2. Step 2: Convert to fraction form
    14,571.24/20,107.60 = 8,283.48/x
  3. Step 3: Cross multiply
    14,571.24x = 20,107.60 × 8,283.48
  4. Step 4: Simplify right side
    14,571.24x = 166,560,902.45
  5. Step 5: Solve for x
    x = 166,560,902.45/14,571.24
  6. Step 6: Final answer
    x = 11,430.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.