Home / 13,673.94-20,512.44-4,315.29

Finding the Fourth Proportional to 13,673.94, 20,512.44 and 4,315.29

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Solution

The fourth proportional to 13,673.94, 20,512.44 and 4,315.29 is: 6,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.94 : 20,512.44 = 4,315.29 : x
  2. Step 2: Convert to fraction form
    13,673.94/20,512.44 = 4,315.29/x
  3. Step 3: Cross multiply
    13,673.94x = 20,512.44 × 4,315.29
  4. Step 4: Simplify right side
    13,673.94x = 88,517,127.21
  5. Step 5: Solve for x
    x = 88,517,127.21/13,673.94
  6. Step 6: Final answer
    x = 6,473.42

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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.