Home / 13,968.97-20,953.02-4,108.43

Finding the Fourth Proportional to 13,968.97, 20,953.02 and 4,108.43

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Solution

The fourth proportional to 13,968.97, 20,953.02 and 4,108.43 is: 6,162.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.97 : 20,953.02 = 4,108.43 : x
  2. Step 2: Convert to fraction form
    13,968.97/20,953.02 = 4,108.43/x
  3. Step 3: Cross multiply
    13,968.97x = 20,953.02 × 4,108.43
  4. Step 4: Simplify right side
    13,968.97x = 86,084,015.96
  5. Step 5: Solve for x
    x = 86,084,015.96/13,968.97
  6. Step 6: Final answer
    x = 6,162.52

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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.