Home / 13,993.46-20,991.39-4,133.17

Finding the Fourth Proportional to 13,993.46, 20,991.39 and 4,133.17

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Solution

The fourth proportional to 13,993.46, 20,991.39 and 4,133.17 is: 6,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.46 : 20,991.39 = 4,133.17 : x
  2. Step 2: Convert to fraction form
    13,993.46/20,991.39 = 4,133.17/x
  3. Step 3: Cross multiply
    13,993.46x = 20,991.39 × 4,133.17
  4. Step 4: Simplify right side
    13,993.46x = 86,760,952.54
  5. Step 5: Solve for x
    x = 86,760,952.54/13,993.46
  6. Step 6: Final answer
    x = 6,200.11

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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.