Home / 26,181.96-39,280.26-8,664.12

Finding the Fourth Proportional to 26,181.96, 39,280.26 and 8,664.12

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Solution

The fourth proportional to 26,181.96, 39,280.26 and 8,664.12 is: 12,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.96 : 39,280.26 = 8,664.12 : x
  2. Step 2: Convert to fraction form
    26,181.96/39,280.26 = 8,664.12/x
  3. Step 3: Cross multiply
    26,181.96x = 39,280.26 × 8,664.12
  4. Step 4: Simplify right side
    26,181.96x = 340,328,886.27
  5. Step 5: Solve for x
    x = 340,328,886.27/26,181.96
  6. Step 6: Final answer
    x = 12,998.60

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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.