Home / 18,408.10-27,626.55-8,548.60

Finding the Fourth Proportional to 18,408.10, 27,626.55 and 8,548.60

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Solution

The fourth proportional to 18,408.10, 27,626.55 and 8,548.60 is: 12,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.10 : 27,626.55 = 8,548.60 : x
  2. Step 2: Convert to fraction form
    18,408.10/27,626.55 = 8,548.60/x
  3. Step 3: Cross multiply
    18,408.10x = 27,626.55 × 8,548.60
  4. Step 4: Simplify right side
    18,408.10x = 236,168,325.33
  5. Step 5: Solve for x
    x = 236,168,325.33/18,408.10
  6. Step 6: Final answer
    x = 12,829.59

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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.