Home / 26,660.07-36,786.83-17,720.73

Finding the Fourth Proportional to 26,660.07, 36,786.83 and 17,720.73

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Solution

The fourth proportional to 26,660.07, 36,786.83 and 17,720.73 is: 24,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.07 : 36,786.83 = 17,720.73 : x
  2. Step 2: Convert to fraction form
    26,660.07/36,786.83 = 17,720.73/x
  3. Step 3: Cross multiply
    26,660.07x = 36,786.83 × 17,720.73
  4. Step 4: Simplify right side
    26,660.07x = 651,889,393.38
  5. Step 5: Solve for x
    x = 651,889,393.38/26,660.07
  6. Step 6: Final answer
    x = 24,451.90

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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.