Home / 26,912.24-40,368.44-8,192.40

Finding the Fourth Proportional to 26,912.24, 40,368.44 and 8,192.40

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Solution

The fourth proportional to 26,912.24, 40,368.44 and 8,192.40 is: 12,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.24 : 40,368.44 = 8,192.40 : x
  2. Step 2: Convert to fraction form
    26,912.24/40,368.44 = 8,192.40/x
  3. Step 3: Cross multiply
    26,912.24x = 40,368.44 × 8,192.40
  4. Step 4: Simplify right side
    26,912.24x = 330,714,407.86
  5. Step 5: Solve for x
    x = 330,714,407.86/26,912.24
  6. Step 6: Final answer
    x = 12,288.62

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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.