Home / 19,649.67-29,474.81-10,939.95

Finding the Fourth Proportional to 19,649.67, 29,474.81 and 10,939.95

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Solution

The fourth proportional to 19,649.67, 29,474.81 and 10,939.95 is: 16,410.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.67 : 29,474.81 = 10,939.95 : x
  2. Step 2: Convert to fraction form
    19,649.67/29,474.81 = 10,939.95/x
  3. Step 3: Cross multiply
    19,649.67x = 29,474.81 × 10,939.95
  4. Step 4: Simplify right side
    19,649.67x = 322,452,892.96
  5. Step 5: Solve for x
    x = 322,452,892.96/19,649.67
  6. Step 6: Final answer
    x = 16,410.09

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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.