Home / 26,677.14-40,015.72-9,147.12

Finding the Fourth Proportional to 26,677.14, 40,015.72 and 9,147.12

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Solution

The fourth proportional to 26,677.14, 40,015.72 and 9,147.12 is: 13,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,677.14 : 40,015.72 = 9,147.12 : x
  2. Step 2: Convert to fraction form
    26,677.14/40,015.72 = 9,147.12/x
  3. Step 3: Cross multiply
    26,677.14x = 40,015.72 × 9,147.12
  4. Step 4: Simplify right side
    26,677.14x = 366,028,592.73
  5. Step 5: Solve for x
    x = 366,028,592.73/26,677.14
  6. Step 6: Final answer
    x = 13,720.68

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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.