Home / 12,013.47-18,022.23-3,693.24

Finding the Fourth Proportional to 12,013.47, 18,022.23 and 3,693.24

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Solution

The fourth proportional to 12,013.47, 18,022.23 and 3,693.24 is: 5,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.47 : 18,022.23 = 3,693.24 : x
  2. Step 2: Convert to fraction form
    12,013.47/18,022.23 = 3,693.24/x
  3. Step 3: Cross multiply
    12,013.47x = 18,022.23 × 3,693.24
  4. Step 4: Simplify right side
    12,013.47x = 66,560,420.73
  5. Step 5: Solve for x
    x = 66,560,420.73/12,013.47
  6. Step 6: Final answer
    x = 5,540.48

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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.