Home / 23,991.14-33,090.63-20,798.73

Finding the Fourth Proportional to 23,991.14, 33,090.63 and 20,798.73

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Solution

The fourth proportional to 23,991.14, 33,090.63 and 20,798.73 is: 28,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.14 : 33,090.63 = 20,798.73 : x
  2. Step 2: Convert to fraction form
    23,991.14/33,090.63 = 20,798.73/x
  3. Step 3: Cross multiply
    23,991.14x = 33,090.63 × 20,798.73
  4. Step 4: Simplify right side
    23,991.14x = 688,243,078.90
  5. Step 5: Solve for x
    x = 688,243,078.90/23,991.14
  6. Step 6: Final answer
    x = 28,687.38

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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.