Home / 18,635.96-25,704.18-10,675.28

Finding the Fourth Proportional to 18,635.96, 25,704.18 and 10,675.28

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Solution

The fourth proportional to 18,635.96, 25,704.18 and 10,675.28 is: 14,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.96 : 25,704.18 = 10,675.28 : x
  2. Step 2: Convert to fraction form
    18,635.96/25,704.18 = 10,675.28/x
  3. Step 3: Cross multiply
    18,635.96x = 25,704.18 × 10,675.28
  4. Step 4: Simplify right side
    18,635.96x = 274,399,190.15
  5. Step 5: Solve for x
    x = 274,399,190.15/18,635.96
  6. Step 6: Final answer
    x = 14,724.18

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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.