Home / 13,976.96-20,965.37-5,092.34

Finding the Fourth Proportional to 13,976.96, 20,965.37 and 5,092.34

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Solution

The fourth proportional to 13,976.96, 20,965.37 and 5,092.34 is: 7,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.96 : 20,965.37 = 5,092.34 : x
  2. Step 2: Convert to fraction form
    13,976.96/20,965.37 = 5,092.34/x
  3. Step 3: Cross multiply
    13,976.96x = 20,965.37 × 5,092.34
  4. Step 4: Simplify right side
    13,976.96x = 106,762,661.98
  5. Step 5: Solve for x
    x = 106,762,661.98/13,976.96
  6. Step 6: Final answer
    x = 7,638.48

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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.