Home / 19,424.73-29,149.70-10,665.75

Finding the Fourth Proportional to 19,424.73, 29,149.70 and 10,665.75

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Solution

The fourth proportional to 19,424.73, 29,149.70 and 10,665.75 is: 16,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.73 : 29,149.70 = 10,665.75 : x
  2. Step 2: Convert to fraction form
    19,424.73/29,149.70 = 10,665.75/x
  3. Step 3: Cross multiply
    19,424.73x = 29,149.70 × 10,665.75
  4. Step 4: Simplify right side
    19,424.73x = 310,903,359.45
  5. Step 5: Solve for x
    x = 310,903,359.45/19,424.73
  6. Step 6: Final answer
    x = 16,005.54

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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.