Home / 13,550.55-20,325.83-8,932.47

Finding the Fourth Proportional to 13,550.55, 20,325.83 and 8,932.47

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Solution

The fourth proportional to 13,550.55, 20,325.83 and 8,932.47 is: 13,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.55 : 20,325.83 = 8,932.47 : x
  2. Step 2: Convert to fraction form
    13,550.55/20,325.83 = 8,932.47/x
  3. Step 3: Cross multiply
    13,550.55x = 20,325.83 × 8,932.47
  4. Step 4: Simplify right side
    13,550.55x = 181,559,906.35
  5. Step 5: Solve for x
    x = 181,559,906.35/13,550.55
  6. Step 6: Final answer
    x = 13,398.71

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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.