Home / 19,645.18-29,476.42-11,211.33

Finding the Fourth Proportional to 19,645.18, 29,476.42 and 11,211.33

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Solution

The fourth proportional to 19,645.18, 29,476.42 and 11,211.33 is: 16,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.18 : 29,476.42 = 11,211.33 : x
  2. Step 2: Convert to fraction form
    19,645.18/29,476.42 = 11,211.33/x
  3. Step 3: Cross multiply
    19,645.18x = 29,476.42 × 11,211.33
  4. Step 4: Simplify right side
    19,645.18x = 330,469,843.81
  5. Step 5: Solve for x
    x = 330,469,843.81/19,645.18
  6. Step 6: Final answer
    x = 16,821.93

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1.5x scale

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.