Home / 18,466.10-27,703.20-9,110.60

Finding the Fourth Proportional to 18,466.10, 27,703.20 and 9,110.60

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Solution

The fourth proportional to 18,466.10, 27,703.20 and 9,110.60 is: 13,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.10 : 27,703.20 = 9,110.60 : x
  2. Step 2: Convert to fraction form
    18,466.10/27,703.20 = 9,110.60/x
  3. Step 3: Cross multiply
    18,466.10x = 27,703.20 × 9,110.60
  4. Step 4: Simplify right side
    18,466.10x = 252,392,773.92
  5. Step 5: Solve for x
    x = 252,392,773.92/18,466.10
  6. Step 6: Final answer
    x = 13,667.90

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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.