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Finding the Fourth Proportional to 18,090.88, 24,965.46 and 10,133.56

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Solution

The fourth proportional to 18,090.88, 24,965.46 and 10,133.56 is: 13,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.88 : 24,965.46 = 10,133.56 : x
  2. Step 2: Convert to fraction form
    18,090.88/24,965.46 = 10,133.56/x
  3. Step 3: Cross multiply
    18,090.88x = 24,965.46 × 10,133.56
  4. Step 4: Simplify right side
    18,090.88x = 252,988,986.84
  5. Step 5: Solve for x
    x = 252,988,986.84/18,090.88
  6. Step 6: Final answer
    x = 13,984.34

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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.