Home / 13,648.43-18,837.41-8,546.31

Finding the Fourth Proportional to 13,648.43, 18,837.41 and 8,546.31

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Solution

The fourth proportional to 13,648.43, 18,837.41 and 8,546.31 is: 11,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.43 : 18,837.41 = 8,546.31 : x
  2. Step 2: Convert to fraction form
    13,648.43/18,837.41 = 8,546.31/x
  3. Step 3: Cross multiply
    13,648.43x = 18,837.41 × 8,546.31
  4. Step 4: Simplify right side
    13,648.43x = 160,990,302.73
  5. Step 5: Solve for x
    x = 160,990,302.73/13,648.43
  6. Step 6: Final answer
    x = 11,795.52

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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.