Home / 14,896.07-20,556.75-8,181.86

Finding the Fourth Proportional to 14,896.07, 20,556.75 and 8,181.86

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Solution

The fourth proportional to 14,896.07, 20,556.75 and 8,181.86 is: 11,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,896.07 : 20,556.75 = 8,181.86 : x
  2. Step 2: Convert to fraction form
    14,896.07/20,556.75 = 8,181.86/x
  3. Step 3: Cross multiply
    14,896.07x = 20,556.75 × 8,181.86
  4. Step 4: Simplify right side
    14,896.07x = 168,192,399.16
  5. Step 5: Solve for x
    x = 168,192,399.16/14,896.07
  6. Step 6: Final answer
    x = 11,291.06

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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.