Home / 20,096.64-30,133.92-15,963.12

Finding the Fourth Proportional to 20,096.64, 30,133.92 and 15,963.12

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Solution

The fourth proportional to 20,096.64, 30,133.92 and 15,963.12 is: 23,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.64 : 30,133.92 = 15,963.12 : x
  2. Step 2: Convert to fraction form
    20,096.64/30,133.92 = 15,963.12/x
  3. Step 3: Cross multiply
    20,096.64x = 30,133.92 × 15,963.12
  4. Step 4: Simplify right side
    20,096.64x = 481,031,381.03
  5. Step 5: Solve for x
    x = 481,031,381.03/20,096.64
  6. Step 6: Final answer
    x = 23,935.91

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1.5x scale

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.