Home / 36,840.72-55,271.86-11,880.27

Finding the Fourth Proportional to 36,840.72, 55,271.86 and 11,880.27

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Solution

The fourth proportional to 36,840.72, 55,271.86 and 11,880.27 is: 17,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.72 : 55,271.86 = 11,880.27 : x
  2. Step 2: Convert to fraction form
    36,840.72/55,271.86 = 11,880.27/x
  3. Step 3: Cross multiply
    36,840.72x = 55,271.86 × 11,880.27
  4. Step 4: Simplify right side
    36,840.72x = 656,644,620.20
  5. Step 5: Solve for x
    x = 656,644,620.20/36,840.72
  6. Step 6: Final answer
    x = 17,823.88

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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.