Home / 36,621.55-54,914.15-11,658.35

Finding the Fourth Proportional to 36,621.55, 54,914.15 and 11,658.35

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Solution

The fourth proportional to 36,621.55, 54,914.15 and 11,658.35 is: 17,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,621.55 : 54,914.15 = 11,658.35 : x
  2. Step 2: Convert to fraction form
    36,621.55/54,914.15 = 11,658.35/x
  3. Step 3: Cross multiply
    36,621.55x = 54,914.15 × 11,658.35
  4. Step 4: Simplify right side
    36,621.55x = 640,208,409.80
  5. Step 5: Solve for x
    x = 640,208,409.80/36,621.55
  6. Step 6: Final answer
    x = 17,481.74

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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.