Home / 26,583.48-39,874.26-8,115

Finding the Fourth Proportional to 26,583.48, 39,874.26 and 8,115

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Solution

The fourth proportional to 26,583.48, 39,874.26 and 8,115 is: 12,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,583.48 : 39,874.26 = 8,115 : x
  2. Step 2: Convert to fraction form
    26,583.48/39,874.26 = 8,115/x
  3. Step 3: Cross multiply
    26,583.48x = 39,874.26 × 8,115
  4. Step 4: Simplify right side
    26,583.48x = 323,579,619.90
  5. Step 5: Solve for x
    x = 323,579,619.90/26,583.48
  6. Step 6: Final answer
    x = 12,172.21

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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.