Home / 12,023.73-18,035.08-11,742.15

Finding the Fourth Proportional to 12,023.73, 18,035.08 and 11,742.15

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Solution

The fourth proportional to 12,023.73, 18,035.08 and 11,742.15 is: 17,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.73 : 18,035.08 = 11,742.15 : x
  2. Step 2: Convert to fraction form
    12,023.73/18,035.08 = 11,742.15/x
  3. Step 3: Cross multiply
    12,023.73x = 18,035.08 × 11,742.15
  4. Step 4: Simplify right side
    12,023.73x = 211,770,702.44
  5. Step 5: Solve for x
    x = 211,770,702.44/12,023.73
  6. Step 6: Final answer
    x = 17,612.73

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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.