Home / 36,146.02-54,221.76-11,188.60

Finding the Fourth Proportional to 36,146.02, 54,221.76 and 11,188.60

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Solution

The fourth proportional to 36,146.02, 54,221.76 and 11,188.60 is: 16,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,146.02 : 54,221.76 = 11,188.60 : x
  2. Step 2: Convert to fraction form
    36,146.02/54,221.76 = 11,188.60/x
  3. Step 3: Cross multiply
    36,146.02x = 54,221.76 × 11,188.60
  4. Step 4: Simplify right side
    36,146.02x = 606,665,583.94
  5. Step 5: Solve for x
    x = 606,665,583.94/36,146.02
  6. Step 6: Final answer
    x = 16,783.75

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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.