Home / 19,369.20-29,036.44-7,674.48

Finding the Fourth Proportional to 19,369.20, 29,036.44 and 7,674.48

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Solution

The fourth proportional to 19,369.20, 29,036.44 and 7,674.48 is: 11,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.20 : 29,036.44 = 7,674.48 : x
  2. Step 2: Convert to fraction form
    19,369.20/29,036.44 = 7,674.48/x
  3. Step 3: Cross multiply
    19,369.20x = 29,036.44 × 7,674.48
  4. Step 4: Simplify right side
    19,369.20x = 222,839,578.05
  5. Step 5: Solve for x
    x = 222,839,578.05/19,369.20
  6. Step 6: Final answer
    x = 11,504.84

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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.