Home / 13,179.99-19,764.96-3,816.90

Finding the Fourth Proportional to 13,179.99, 19,764.96 and 3,816.90

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Solution

The fourth proportional to 13,179.99, 19,764.96 and 3,816.90 is: 5,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.99 : 19,764.96 = 3,816.90 : x
  2. Step 2: Convert to fraction form
    13,179.99/19,764.96 = 3,816.90/x
  3. Step 3: Cross multiply
    13,179.99x = 19,764.96 × 3,816.90
  4. Step 4: Simplify right side
    13,179.99x = 75,440,875.82
  5. Step 5: Solve for x
    x = 75,440,875.82/13,179.99
  6. Step 6: Final answer
    x = 5,723.89

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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.