Home / 20,090.94-29,986.83-17,410.56

Finding the Fourth Proportional to 20,090.94, 29,986.83 and 17,410.56

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Solution

The fourth proportional to 20,090.94, 29,986.83 and 17,410.56 is: 25,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,090.94 : 29,986.83 = 17,410.56 : x
  2. Step 2: Convert to fraction form
    20,090.94/29,986.83 = 17,410.56/x
  3. Step 3: Cross multiply
    20,090.94x = 29,986.83 × 17,410.56
  4. Step 4: Simplify right side
    20,090.94x = 522,087,502.92
  5. Step 5: Solve for x
    x = 522,087,502.92/20,090.94
  6. Step 6: Final answer
    x = 25,986.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.