Home / 20,259.94-27,954.51-12,297.73

Finding the Fourth Proportional to 20,259.94, 27,954.51 and 12,297.73

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Solution

The fourth proportional to 20,259.94, 27,954.51 and 12,297.73 is: 16,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.94 : 27,954.51 = 12,297.73 : x
  2. Step 2: Convert to fraction form
    20,259.94/27,954.51 = 12,297.73/x
  3. Step 3: Cross multiply
    20,259.94x = 27,954.51 × 12,297.73
  4. Step 4: Simplify right side
    20,259.94x = 343,777,016.26
  5. Step 5: Solve for x
    x = 343,777,016.26/20,259.94
  6. Step 6: Final answer
    x = 16,968.31

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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.