Home / 19,383.96-29,083.23-7,705.38

Finding the Fourth Proportional to 19,383.96, 29,083.23 and 7,705.38

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Solution

The fourth proportional to 19,383.96, 29,083.23 and 7,705.38 is: 11,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.96 : 29,083.23 = 7,705.38 : x
  2. Step 2: Convert to fraction form
    19,383.96/29,083.23 = 7,705.38/x
  3. Step 3: Cross multiply
    19,383.96x = 29,083.23 × 7,705.38
  4. Step 4: Simplify right side
    19,383.96x = 224,097,338.78
  5. Step 5: Solve for x
    x = 224,097,338.78/19,383.96
  6. Step 6: Final answer
    x = 11,560.97

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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.