Home / 13,847.94-20,771.24-5,082.30

Finding the Fourth Proportional to 13,847.94, 20,771.24 and 5,082.30

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Solution

The fourth proportional to 13,847.94, 20,771.24 and 5,082.30 is: 7,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.94 : 20,771.24 = 5,082.30 : x
  2. Step 2: Convert to fraction form
    13,847.94/20,771.24 = 5,082.30/x
  3. Step 3: Cross multiply
    13,847.94x = 20,771.24 × 5,082.30
  4. Step 4: Simplify right side
    13,847.94x = 105,565,647.64
  5. Step 5: Solve for x
    x = 105,565,647.64/13,847.94
  6. Step 6: Final answer
    x = 7,623.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.