Home / 18,157.12-25,057.02-10,198.96

Finding the Fourth Proportional to 18,157.12, 25,057.02 and 10,198.96

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Solution

The fourth proportional to 18,157.12, 25,057.02 and 10,198.96 is: 14,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.12 : 25,057.02 = 10,198.96 : x
  2. Step 2: Convert to fraction form
    18,157.12/25,057.02 = 10,198.96/x
  3. Step 3: Cross multiply
    18,157.12x = 25,057.02 × 10,198.96
  4. Step 4: Simplify right side
    18,157.12x = 255,555,544.70
  5. Step 5: Solve for x
    x = 255,555,544.70/18,157.12
  6. Step 6: Final answer
    x = 14,074.67

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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.