Home / 14,659.15-21,986.43-4,129.96

Finding the Fourth Proportional to 14,659.15, 21,986.43 and 4,129.96

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Solution

The fourth proportional to 14,659.15, 21,986.43 and 4,129.96 is: 6,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.15 : 21,986.43 = 4,129.96 : x
  2. Step 2: Convert to fraction form
    14,659.15/21,986.43 = 4,129.96/x
  3. Step 3: Cross multiply
    14,659.15x = 21,986.43 × 4,129.96
  4. Step 4: Simplify right side
    14,659.15x = 90,803,076.44
  5. Step 5: Solve for x
    x = 90,803,076.44/14,659.15
  6. Step 6: Final answer
    x = 6,194.29

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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.