Home / 13,169.16-19,750.82-3,807.12

Finding the Fourth Proportional to 13,169.16, 19,750.82 and 3,807.12

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Solution

The fourth proportional to 13,169.16, 19,750.82 and 3,807.12 is: 5,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.16 : 19,750.82 = 3,807.12 : x
  2. Step 2: Convert to fraction form
    13,169.16/19,750.82 = 3,807.12/x
  3. Step 3: Cross multiply
    13,169.16x = 19,750.82 × 3,807.12
  4. Step 4: Simplify right side
    13,169.16x = 75,193,722.80
  5. Step 5: Solve for x
    x = 75,193,722.80/13,169.16
  6. Step 6: Final answer
    x = 5,709.83

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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.