Home / 14,610.30-20,162.43-8,322.54

Finding the Fourth Proportional to 14,610.30, 20,162.43 and 8,322.54

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Solution

The fourth proportional to 14,610.30, 20,162.43 and 8,322.54 is: 11,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.30 : 20,162.43 = 8,322.54 : x
  2. Step 2: Convert to fraction form
    14,610.30/20,162.43 = 8,322.54/x
  3. Step 3: Cross multiply
    14,610.30x = 20,162.43 × 8,322.54
  4. Step 4: Simplify right side
    14,610.30x = 167,802,630.17
  5. Step 5: Solve for x
    x = 167,802,630.17/14,610.30
  6. Step 6: Final answer
    x = 11,485.23

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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.