Home / 13,947.62-20,896.80-7,359.27

Finding the Fourth Proportional to 13,947.62, 20,896.80 and 7,359.27

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Solution

The fourth proportional to 13,947.62, 20,896.80 and 7,359.27 is: 11,025.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.62 : 20,896.80 = 7,359.27 : x
  2. Step 2: Convert to fraction form
    13,947.62/20,896.80 = 7,359.27/x
  3. Step 3: Cross multiply
    13,947.62x = 20,896.80 × 7,359.27
  4. Step 4: Simplify right side
    13,947.62x = 153,785,193.34
  5. Step 5: Solve for x
    x = 153,785,193.34/13,947.62
  6. Step 6: Final answer
    x = 11,025.91

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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.