Home / 23,212.21-32,033.62-13,140.44

Finding the Fourth Proportional to 23,212.21, 32,033.62 and 13,140.44

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Solution

The fourth proportional to 23,212.21, 32,033.62 and 13,140.44 is: 18,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,212.21 : 32,033.62 = 13,140.44 : x
  2. Step 2: Convert to fraction form
    23,212.21/32,033.62 = 13,140.44/x
  3. Step 3: Cross multiply
    23,212.21x = 32,033.62 × 13,140.44
  4. Step 4: Simplify right side
    23,212.21x = 420,935,861.59
  5. Step 5: Solve for x
    x = 420,935,861.59/23,212.21
  6. Step 6: Final answer
    x = 18,134.24

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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.