Home / 13,396.38-20,052.45-12,080.94

Finding the Fourth Proportional to 13,396.38, 20,052.45 and 12,080.94

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Solution

The fourth proportional to 13,396.38, 20,052.45 and 12,080.94 is: 18,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.38 : 20,052.45 = 12,080.94 : x
  2. Step 2: Convert to fraction form
    13,396.38/20,052.45 = 12,080.94/x
  3. Step 3: Cross multiply
    13,396.38x = 20,052.45 × 12,080.94
  4. Step 4: Simplify right side
    13,396.38x = 242,252,445.30
  5. Step 5: Solve for x
    x = 242,252,445.30/13,396.38
  6. Step 6: Final answer
    x = 18,083.43

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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.