Home / 14,356.14-19,811.41-7,982.54

Finding the Fourth Proportional to 14,356.14, 19,811.41 and 7,982.54

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Solution

The fourth proportional to 14,356.14, 19,811.41 and 7,982.54 is: 11,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.14 : 19,811.41 = 7,982.54 : x
  2. Step 2: Convert to fraction form
    14,356.14/19,811.41 = 7,982.54/x
  3. Step 3: Cross multiply
    14,356.14x = 19,811.41 × 7,982.54
  4. Step 4: Simplify right side
    14,356.14x = 158,145,372.78
  5. Step 5: Solve for x
    x = 158,145,372.78/14,356.14
  6. Step 6: Final answer
    x = 11,015.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.