Home / 19,950.18-29,930.40-10,584.36

Finding the Fourth Proportional to 19,950.18, 29,930.40 and 10,584.36

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Solution

The fourth proportional to 19,950.18, 29,930.40 and 10,584.36 is: 15,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.18 : 29,930.40 = 10,584.36 : x
  2. Step 2: Convert to fraction form
    19,950.18/29,930.40 = 10,584.36/x
  3. Step 3: Cross multiply
    19,950.18x = 29,930.40 × 10,584.36
  4. Step 4: Simplify right side
    19,950.18x = 316,794,128.54
  5. Step 5: Solve for x
    x = 316,794,128.54/19,950.18
  6. Step 6: Final answer
    x = 15,879.26

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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.