Home / 18,626.85-25,704.99-10,669.05

Finding the Fourth Proportional to 18,626.85, 25,704.99 and 10,669.05

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Solution

The fourth proportional to 18,626.85, 25,704.99 and 10,669.05 is: 14,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.85 : 25,704.99 = 10,669.05 : x
  2. Step 2: Convert to fraction form
    18,626.85/25,704.99 = 10,669.05/x
  3. Step 3: Cross multiply
    18,626.85x = 25,704.99 × 10,669.05
  4. Step 4: Simplify right side
    18,626.85x = 274,247,823.56
  5. Step 5: Solve for x
    x = 274,247,823.56/18,626.85
  6. Step 6: Final answer
    x = 14,723.25

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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.