Home / 13,329.80-19,984.62-8,063.64

Finding the Fourth Proportional to 13,329.80, 19,984.62 and 8,063.64

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Solution

The fourth proportional to 13,329.80, 19,984.62 and 8,063.64 is: 12,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.80 : 19,984.62 = 8,063.64 : x
  2. Step 2: Convert to fraction form
    13,329.80/19,984.62 = 8,063.64/x
  3. Step 3: Cross multiply
    13,329.80x = 19,984.62 × 8,063.64
  4. Step 4: Simplify right side
    13,329.80x = 161,148,781.22
  5. Step 5: Solve for x
    x = 161,148,781.22/13,329.80
  6. Step 6: Final answer
    x = 12,089.36

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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.