Home / 13,568.58-18,725.33-8,262.54

Finding the Fourth Proportional to 13,568.58, 18,725.33 and 8,262.54

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Solution

The fourth proportional to 13,568.58, 18,725.33 and 8,262.54 is: 11,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.58 : 18,725.33 = 8,262.54 : x
  2. Step 2: Convert to fraction form
    13,568.58/18,725.33 = 8,262.54/x
  3. Step 3: Cross multiply
    13,568.58x = 18,725.33 × 8,262.54
  4. Step 4: Simplify right side
    13,568.58x = 154,718,788.14
  5. Step 5: Solve for x
    x = 154,718,788.14/13,568.58
  6. Step 6: Final answer
    x = 11,402.73

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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.