Home / 13,322.80-19,982.31-4,556.44

Finding the Fourth Proportional to 13,322.80, 19,982.31 and 4,556.44

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Solution

The fourth proportional to 13,322.80, 19,982.31 and 4,556.44 is: 6,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.80 : 19,982.31 = 4,556.44 : x
  2. Step 2: Convert to fraction form
    13,322.80/19,982.31 = 4,556.44/x
  3. Step 3: Cross multiply
    13,322.80x = 19,982.31 × 4,556.44
  4. Step 4: Simplify right side
    13,322.80x = 91,048,196.58
  5. Step 5: Solve for x
    x = 91,048,196.58/13,322.80
  6. Step 6: Final answer
    x = 6,834.01

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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.