Home / 13,634.56-20,451.93-4,400.56

Finding the Fourth Proportional to 13,634.56, 20,451.93 and 4,400.56

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Solution

The fourth proportional to 13,634.56, 20,451.93 and 4,400.56 is: 6,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.56 : 20,451.93 = 4,400.56 : x
  2. Step 2: Convert to fraction form
    13,634.56/20,451.93 = 4,400.56/x
  3. Step 3: Cross multiply
    13,634.56x = 20,451.93 × 4,400.56
  4. Step 4: Simplify right side
    13,634.56x = 89,999,945.08
  5. Step 5: Solve for x
    x = 89,999,945.08/13,634.56
  6. Step 6: Final answer
    x = 6,600.87

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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.