Home / 13,382.46-20,076.12-4,615.02

Finding the Fourth Proportional to 13,382.46, 20,076.12 and 4,615.02

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Solution

The fourth proportional to 13,382.46, 20,076.12 and 4,615.02 is: 6,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.46 : 20,076.12 = 4,615.02 : x
  2. Step 2: Convert to fraction form
    13,382.46/20,076.12 = 4,615.02/x
  3. Step 3: Cross multiply
    13,382.46x = 20,076.12 × 4,615.02
  4. Step 4: Simplify right side
    13,382.46x = 92,651,695.32
  5. Step 5: Solve for x
    x = 92,651,695.32/13,382.46
  6. Step 6: Final answer
    x = 6,923.37

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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.