Home / 19,234.87-28,796.58-11,816.84

Finding the Fourth Proportional to 19,234.87, 28,796.58 and 11,816.84

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Solution

The fourth proportional to 19,234.87, 28,796.58 and 11,816.84 is: 17,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234.87 : 28,796.58 = 11,816.84 : x
  2. Step 2: Convert to fraction form
    19,234.87/28,796.58 = 11,816.84/x
  3. Step 3: Cross multiply
    19,234.87x = 28,796.58 × 11,816.84
  4. Step 4: Simplify right side
    19,234.87x = 340,284,650.40
  5. Step 5: Solve for x
    x = 340,284,650.40/19,234.87
  6. Step 6: Final answer
    x = 17,691.03

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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.