Home / 20,629.44-30,944.07-14,039.28

Finding the Fourth Proportional to 20,629.44, 30,944.07 and 14,039.28

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Solution

The fourth proportional to 20,629.44, 30,944.07 and 14,039.28 is: 21,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.44 : 30,944.07 = 14,039.28 : x
  2. Step 2: Convert to fraction form
    20,629.44/30,944.07 = 14,039.28/x
  3. Step 3: Cross multiply
    20,629.44x = 30,944.07 × 14,039.28
  4. Step 4: Simplify right side
    20,629.44x = 434,432,463.07
  5. Step 5: Solve for x
    x = 434,432,463.07/20,629.44
  6. Step 6: Final answer
    x = 21,058.86

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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.