Home / 14,610.08-20,162.16-8,322.56

Finding the Fourth Proportional to 14,610.08, 20,162.16 and 8,322.56

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Solution

The fourth proportional to 14,610.08, 20,162.16 and 8,322.56 is: 11,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.08 : 20,162.16 = 8,322.56 : x
  2. Step 2: Convert to fraction form
    14,610.08/20,162.16 = 8,322.56/x
  3. Step 3: Cross multiply
    14,610.08x = 20,162.16 × 8,322.56
  4. Step 4: Simplify right side
    14,610.08x = 167,800,786.33
  5. Step 5: Solve for x
    x = 167,800,786.33/14,610.08
  6. Step 6: Final answer
    x = 11,485.27

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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.