Home / 13,976.56-20,974.56-9,033.94

Finding the Fourth Proportional to 13,976.56, 20,974.56 and 9,033.94

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Solution

The fourth proportional to 13,976.56, 20,974.56 and 9,033.94 is: 13,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.56 : 20,974.56 = 9,033.94 : x
  2. Step 2: Convert to fraction form
    13,976.56/20,974.56 = 9,033.94/x
  3. Step 3: Cross multiply
    13,976.56x = 20,974.56 × 9,033.94
  4. Step 4: Simplify right side
    13,976.56x = 189,482,864.13
  5. Step 5: Solve for x
    x = 189,482,864.13/13,976.56
  6. Step 6: Final answer
    x = 13,557.19

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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.