Home / 26,880.41-40,322.66-8,162.12

Finding the Fourth Proportional to 26,880.41, 40,322.66 and 8,162.12

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Solution

The fourth proportional to 26,880.41, 40,322.66 and 8,162.12 is: 12,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,880.41 : 40,322.66 = 8,162.12 : x
  2. Step 2: Convert to fraction form
    26,880.41/40,322.66 = 8,162.12/x
  3. Step 3: Cross multiply
    26,880.41x = 40,322.66 × 8,162.12
  4. Step 4: Simplify right side
    26,880.41x = 329,118,268.73
  5. Step 5: Solve for x
    x = 329,118,268.73/26,880.41
  6. Step 6: Final answer
    x = 12,243.80

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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.