Home / 19,675.36-29,481.72-13,763.44

Finding the Fourth Proportional to 19,675.36, 29,481.72 and 13,763.44

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Solution

The fourth proportional to 19,675.36, 29,481.72 and 13,763.44 is: 20,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.36 : 29,481.72 = 13,763.44 : x
  2. Step 2: Convert to fraction form
    19,675.36/29,481.72 = 13,763.44/x
  3. Step 3: Cross multiply
    19,675.36x = 29,481.72 × 13,763.44
  4. Step 4: Simplify right side
    19,675.36x = 405,769,884.32
  5. Step 5: Solve for x
    x = 405,769,884.32/19,675.36
  6. Step 6: Final answer
    x = 20,623.25

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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.