Home / 18,730.55-25,847.72-10,232.70

Finding the Fourth Proportional to 18,730.55, 25,847.72 and 10,232.70

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Solution

The fourth proportional to 18,730.55, 25,847.72 and 10,232.70 is: 14,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.55 : 25,847.72 = 10,232.70 : x
  2. Step 2: Convert to fraction form
    18,730.55/25,847.72 = 10,232.70/x
  3. Step 3: Cross multiply
    18,730.55x = 25,847.72 × 10,232.70
  4. Step 4: Simplify right side
    18,730.55x = 264,491,964.44
  5. Step 5: Solve for x
    x = 264,491,964.44/18,730.55
  6. Step 6: Final answer
    x = 14,120.89

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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.