Home / 19,669.33-29,519.03-7,201.15

Finding the Fourth Proportional to 19,669.33, 29,519.03 and 7,201.15

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Solution

The fourth proportional to 19,669.33, 29,519.03 and 7,201.15 is: 10,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.33 : 29,519.03 = 7,201.15 : x
  2. Step 2: Convert to fraction form
    19,669.33/29,519.03 = 7,201.15/x
  3. Step 3: Cross multiply
    19,669.33x = 29,519.03 × 7,201.15
  4. Step 4: Simplify right side
    19,669.33x = 212,571,073.13
  5. Step 5: Solve for x
    x = 212,571,073.13/19,669.33
  6. Step 6: Final answer
    x = 10,807.23

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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.