Home / 14,841.75-20,481.62-8,556.15

Finding the Fourth Proportional to 14,841.75, 20,481.62 and 8,556.15

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Solution

The fourth proportional to 14,841.75, 20,481.62 and 8,556.15 is: 11,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.75 : 20,481.62 = 8,556.15 : x
  2. Step 2: Convert to fraction form
    14,841.75/20,481.62 = 8,556.15/x
  3. Step 3: Cross multiply
    14,841.75x = 20,481.62 × 8,556.15
  4. Step 4: Simplify right side
    14,841.75x = 175,243,770.18
  5. Step 5: Solve for x
    x = 175,243,770.18/14,841.75
  6. Step 6: Final answer
    x = 11,807.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.