Home / 26,690.98-40,035.68-6,969.54

Finding the Fourth Proportional to 26,690.98, 40,035.68 and 6,969.54

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Solution

The fourth proportional to 26,690.98, 40,035.68 and 6,969.54 is: 10,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.98 : 40,035.68 = 6,969.54 : x
  2. Step 2: Convert to fraction form
    26,690.98/40,035.68 = 6,969.54/x
  3. Step 3: Cross multiply
    26,690.98x = 40,035.68 × 6,969.54
  4. Step 4: Simplify right side
    26,690.98x = 279,030,140.48
  5. Step 5: Solve for x
    x = 279,030,140.48/26,690.98
  6. Step 6: Final answer
    x = 10,454.10

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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.