Home / 14,795.73-20,422.67-8,512.29

Finding the Fourth Proportional to 14,795.73, 20,422.67 and 8,512.29

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Solution

The fourth proportional to 14,795.73, 20,422.67 and 8,512.29 is: 11,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.73 : 20,422.67 = 8,512.29 : x
  2. Step 2: Convert to fraction form
    14,795.73/20,422.67 = 8,512.29/x
  3. Step 3: Cross multiply
    14,795.73x = 20,422.67 × 8,512.29
  4. Step 4: Simplify right side
    14,795.73x = 173,843,647.05
  5. Step 5: Solve for x
    x = 173,843,647.05/14,795.73
  6. Step 6: Final answer
    x = 11,749.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.