Home / 36,133.94-54,189.66-12,754.88

Finding the Fourth Proportional to 36,133.94, 54,189.66 and 12,754.88

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Solution

The fourth proportional to 36,133.94, 54,189.66 and 12,754.88 is: 19,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,133.94 : 54,189.66 = 12,754.88 : x
  2. Step 2: Convert to fraction form
    36,133.94/54,189.66 = 12,754.88/x
  3. Step 3: Cross multiply
    36,133.94x = 54,189.66 × 12,754.88
  4. Step 4: Simplify right side
    36,133.94x = 691,182,610.54
  5. Step 5: Solve for x
    x = 691,182,610.54/36,133.94
  6. Step 6: Final answer
    x = 19,128.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.