Home / 13,753.22-20,633.52-4,989.48

Finding the Fourth Proportional to 13,753.22, 20,633.52 and 4,989.48

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Solution

The fourth proportional to 13,753.22, 20,633.52 and 4,989.48 is: 7,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.22 : 20,633.52 = 4,989.48 : x
  2. Step 2: Convert to fraction form
    13,753.22/20,633.52 = 4,989.48/x
  3. Step 3: Cross multiply
    13,753.22x = 20,633.52 × 4,989.48
  4. Step 4: Simplify right side
    13,753.22x = 102,950,535.37
  5. Step 5: Solve for x
    x = 102,950,535.37/13,753.22
  6. Step 6: Final answer
    x = 7,485.56

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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.