Home / 13,392.40-20,082.30-5,996.92

Finding the Fourth Proportional to 13,392.40, 20,082.30 and 5,996.92

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Solution

The fourth proportional to 13,392.40, 20,082.30 and 5,996.92 is: 8,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.40 : 20,082.30 = 5,996.92 : x
  2. Step 2: Convert to fraction form
    13,392.40/20,082.30 = 5,996.92/x
  3. Step 3: Cross multiply
    13,392.40x = 20,082.30 × 5,996.92
  4. Step 4: Simplify right side
    13,392.40x = 120,431,946.52
  5. Step 5: Solve for x
    x = 120,431,946.52/13,392.40
  6. Step 6: Final answer
    x = 8,992.56

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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.