Home / 26,715.60-40,072.44-8,247.60

Finding the Fourth Proportional to 26,715.60, 40,072.44 and 8,247.60

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Solution

The fourth proportional to 26,715.60, 40,072.44 and 8,247.60 is: 12,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.60 : 40,072.44 = 8,247.60 : x
  2. Step 2: Convert to fraction form
    26,715.60/40,072.44 = 8,247.60/x
  3. Step 3: Cross multiply
    26,715.60x = 40,072.44 × 8,247.60
  4. Step 4: Simplify right side
    26,715.60x = 330,501,456.14
  5. Step 5: Solve for x
    x = 330,501,456.14/26,715.60
  6. Step 6: Final answer
    x = 12,371.10

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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.