Home / 26,980.32-40,488.66-9,450.30

Finding the Fourth Proportional to 26,980.32, 40,488.66 and 9,450.30

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Solution

The fourth proportional to 26,980.32, 40,488.66 and 9,450.30 is: 14,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.32 : 40,488.66 = 9,450.30 : x
  2. Step 2: Convert to fraction form
    26,980.32/40,488.66 = 9,450.30/x
  3. Step 3: Cross multiply
    26,980.32x = 40,488.66 × 9,450.30
  4. Step 4: Simplify right side
    26,980.32x = 382,629,983.60
  5. Step 5: Solve for x
    x = 382,629,983.60/26,980.32
  6. Step 6: Final answer
    x = 14,181.82

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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.