Home / 13,022.66-19,521.69-11,829.38

Finding the Fourth Proportional to 13,022.66, 19,521.69 and 11,829.38

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Solution

The fourth proportional to 13,022.66, 19,521.69 and 11,829.38 is: 17,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.66 : 19,521.69 = 11,829.38 : x
  2. Step 2: Convert to fraction form
    13,022.66/19,521.69 = 11,829.38/x
  3. Step 3: Cross multiply
    13,022.66x = 19,521.69 × 11,829.38
  4. Step 4: Simplify right side
    13,022.66x = 230,929,381.30
  5. Step 5: Solve for x
    x = 230,929,381.30/13,022.66
  6. Step 6: Final answer
    x = 17,732.89

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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.