Home / 13,676.93-18,874.41-8,015.75

Finding the Fourth Proportional to 13,676.93, 18,874.41 and 8,015.75

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Solution

The fourth proportional to 13,676.93, 18,874.41 and 8,015.75 is: 11,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.93 : 18,874.41 = 8,015.75 : x
  2. Step 2: Convert to fraction form
    13,676.93/18,874.41 = 8,015.75/x
  3. Step 3: Cross multiply
    13,676.93x = 18,874.41 × 8,015.75
  4. Step 4: Simplify right side
    13,676.93x = 151,292,551.96
  5. Step 5: Solve for x
    x = 151,292,551.96/13,676.93
  6. Step 6: Final answer
    x = 11,061.88

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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.