Home / 23,940.24-33,020.64-20,747.76

Finding the Fourth Proportional to 23,940.24, 33,020.64 and 20,747.76

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Solution

The fourth proportional to 23,940.24, 33,020.64 and 20,747.76 is: 28,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,940.24 : 33,020.64 = 20,747.76 : x
  2. Step 2: Convert to fraction form
    23,940.24/33,020.64 = 20,747.76/x
  3. Step 3: Cross multiply
    23,940.24x = 33,020.64 × 20,747.76
  4. Step 4: Simplify right side
    23,940.24x = 685,104,313.77
  5. Step 5: Solve for x
    x = 685,104,313.77/23,940.24
  6. Step 6: Final answer
    x = 28,617.27

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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.