Home / 36,135.46-54,218.69-13,964.40

Finding the Fourth Proportional to 36,135.46, 54,218.69 and 13,964.40

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Solution

The fourth proportional to 36,135.46, 54,218.69 and 13,964.40 is: 20,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.46 : 54,218.69 = 13,964.40 : x
  2. Step 2: Convert to fraction form
    36,135.46/54,218.69 = 13,964.40/x
  3. Step 3: Cross multiply
    36,135.46x = 54,218.69 × 13,964.40
  4. Step 4: Simplify right side
    36,135.46x = 757,131,509.55
  5. Step 5: Solve for x
    x = 757,131,509.55/36,135.46
  6. Step 6: Final answer
    x = 20,952.59

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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.