Home / 19,936.51-29,903.77-7,455.62

Finding the Fourth Proportional to 19,936.51, 29,903.77 and 7,455.62

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Solution

The fourth proportional to 19,936.51, 29,903.77 and 7,455.62 is: 11,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.51 : 29,903.77 = 7,455.62 : x
  2. Step 2: Convert to fraction form
    19,936.51/29,903.77 = 7,455.62/x
  3. Step 3: Cross multiply
    19,936.51x = 29,903.77 × 7,455.62
  4. Step 4: Simplify right side
    19,936.51x = 222,951,136.27
  5. Step 5: Solve for x
    x = 222,951,136.27/19,936.51
  6. Step 6: Final answer
    x = 11,183.06

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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.