Home / 20,076.24-27,717.84-13,713.48

Finding the Fourth Proportional to 20,076.24, 27,717.84 and 13,713.48

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Solution

The fourth proportional to 20,076.24, 27,717.84 and 13,713.48 is: 18,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.24 : 27,717.84 = 13,713.48 : x
  2. Step 2: Convert to fraction form
    20,076.24/27,717.84 = 13,713.48/x
  3. Step 3: Cross multiply
    20,076.24x = 27,717.84 × 13,713.48
  4. Step 4: Simplify right side
    20,076.24x = 380,108,044.48
  5. Step 5: Solve for x
    x = 380,108,044.48/20,076.24
  6. Step 6: Final answer
    x = 18,933.23

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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.