Home / 20,256.83-27,954.37-11,304.23

Finding the Fourth Proportional to 20,256.83, 27,954.37 and 11,304.23

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Solution

The fourth proportional to 20,256.83, 27,954.37 and 11,304.23 is: 15,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.83 : 27,954.37 = 11,304.23 : x
  2. Step 2: Convert to fraction form
    20,256.83/27,954.37 = 11,304.23/x
  3. Step 3: Cross multiply
    20,256.83x = 27,954.37 × 11,304.23
  4. Step 4: Simplify right side
    20,256.83x = 316,002,571.46
  5. Step 5: Solve for x
    x = 316,002,571.46/20,256.83
  6. Step 6: Final answer
    x = 15,599.81

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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.