Home / 26,442.98-39,664.60-8,912.96

Finding the Fourth Proportional to 26,442.98, 39,664.60 and 8,912.96

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Solution

The fourth proportional to 26,442.98, 39,664.60 and 8,912.96 is: 13,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.98 : 39,664.60 = 8,912.96 : x
  2. Step 2: Convert to fraction form
    26,442.98/39,664.60 = 8,912.96/x
  3. Step 3: Cross multiply
    26,442.98x = 39,664.60 × 8,912.96
  4. Step 4: Simplify right side
    26,442.98x = 353,528,993.22
  5. Step 5: Solve for x
    x = 353,528,993.22/26,442.98
  6. Step 6: Final answer
    x = 13,369.48

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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.