Home / 13,847.52-20,782.44-7,277.64

Finding the Fourth Proportional to 13,847.52, 20,782.44 and 7,277.64

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Solution

The fourth proportional to 13,847.52, 20,782.44 and 7,277.64 is: 10,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.52 : 20,782.44 = 7,277.64 : x
  2. Step 2: Convert to fraction form
    13,847.52/20,782.44 = 7,277.64/x
  3. Step 3: Cross multiply
    13,847.52x = 20,782.44 × 7,277.64
  4. Step 4: Simplify right side
    13,847.52x = 151,247,116.64
  5. Step 5: Solve for x
    x = 151,247,116.64/13,847.52
  6. Step 6: Final answer
    x = 10,922.33

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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.