Home / 13,674.54-20,504.52-7,084.38

Finding the Fourth Proportional to 13,674.54, 20,504.52 and 7,084.38

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Solution

The fourth proportional to 13,674.54, 20,504.52 and 7,084.38 is: 10,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.54 : 20,504.52 = 7,084.38 : x
  2. Step 2: Convert to fraction form
    13,674.54/20,504.52 = 7,084.38/x
  3. Step 3: Cross multiply
    13,674.54x = 20,504.52 × 7,084.38
  4. Step 4: Simplify right side
    13,674.54x = 145,261,811.40
  5. Step 5: Solve for x
    x = 145,261,811.40/13,674.54
  6. Step 6: Final answer
    x = 10,622.79

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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.