Home / 27,325.82-40,990.21-8,607.33

Finding the Fourth Proportional to 27,325.82, 40,990.21 and 8,607.33

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Solution

The fourth proportional to 27,325.82, 40,990.21 and 8,607.33 is: 12,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,325.82 : 40,990.21 = 8,607.33 : x
  2. Step 2: Convert to fraction form
    27,325.82/40,990.21 = 8,607.33/x
  3. Step 3: Cross multiply
    27,325.82x = 40,990.21 × 8,607.33
  4. Step 4: Simplify right side
    27,325.82x = 352,816,016.25
  5. Step 5: Solve for x
    x = 352,816,016.25/27,325.82
  6. Step 6: Final answer
    x = 12,911.45

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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.