Home / 18,840.88-28,266.26-5,693.60

Finding the Fourth Proportional to 18,840.88, 28,266.26 and 5,693.60

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Solution

The fourth proportional to 18,840.88, 28,266.26 and 5,693.60 is: 8,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.88 : 28,266.26 = 5,693.60 : x
  2. Step 2: Convert to fraction form
    18,840.88/28,266.26 = 5,693.60/x
  3. Step 3: Cross multiply
    18,840.88x = 28,266.26 × 5,693.60
  4. Step 4: Simplify right side
    18,840.88x = 160,936,777.94
  5. Step 5: Solve for x
    x = 160,936,777.94/18,840.88
  6. Step 6: Final answer
    x = 8,541.89

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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.