Home / 18,608.12-27,910.35-7,511.52

Finding the Fourth Proportional to 18,608.12, 27,910.35 and 7,511.52

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Solution

The fourth proportional to 18,608.12, 27,910.35 and 7,511.52 is: 11,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.12 : 27,910.35 = 7,511.52 : x
  2. Step 2: Convert to fraction form
    18,608.12/27,910.35 = 7,511.52/x
  3. Step 3: Cross multiply
    18,608.12x = 27,910.35 × 7,511.52
  4. Step 4: Simplify right side
    18,608.12x = 209,649,152.23
  5. Step 5: Solve for x
    x = 209,649,152.23/18,608.12
  6. Step 6: Final answer
    x = 11,266.54

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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.