Home / 36,178.94-54,289.74-13,994.12

Finding the Fourth Proportional to 36,178.94, 54,289.74 and 13,994.12

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Solution

The fourth proportional to 36,178.94, 54,289.74 and 13,994.12 is: 20,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,178.94 : 54,289.74 = 13,994.12 : x
  2. Step 2: Convert to fraction form
    36,178.94/54,289.74 = 13,994.12/x
  3. Step 3: Cross multiply
    36,178.94x = 54,289.74 × 13,994.12
  4. Step 4: Simplify right side
    36,178.94x = 759,737,136.33
  5. Step 5: Solve for x
    x = 759,737,136.33/36,178.94
  6. Step 6: Final answer
    x = 20,999.43

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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.