Home / 19,816.55-29,724.96-6,668.73

Finding the Fourth Proportional to 19,816.55, 29,724.96 and 6,668.73

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Solution

The fourth proportional to 19,816.55, 29,724.96 and 6,668.73 is: 10,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.55 : 29,724.96 = 6,668.73 : x
  2. Step 2: Convert to fraction form
    19,816.55/29,724.96 = 6,668.73/x
  3. Step 3: Cross multiply
    19,816.55x = 29,724.96 × 6,668.73
  4. Step 4: Simplify right side
    19,816.55x = 198,227,732.50
  5. Step 5: Solve for x
    x = 198,227,732.50/19,816.55
  6. Step 6: Final answer
    x = 10,003.14

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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.