Home / 23,120.93-34,652.63-12,021.09

Finding the Fourth Proportional to 23,120.93, 34,652.63 and 12,021.09

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Solution

The fourth proportional to 23,120.93, 34,652.63 and 12,021.09 is: 18,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.93 : 34,652.63 = 12,021.09 : x
  2. Step 2: Convert to fraction form
    23,120.93/34,652.63 = 12,021.09/x
  3. Step 3: Cross multiply
    23,120.93x = 34,652.63 × 12,021.09
  4. Step 4: Simplify right side
    23,120.93x = 416,562,323.86
  5. Step 5: Solve for x
    x = 416,562,323.86/23,120.93
  6. Step 6: Final answer
    x = 18,016.68

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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.