Home / 26,679.70-40,021.58-7,958.27

Finding the Fourth Proportional to 26,679.70, 40,021.58 and 7,958.27

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Solution

The fourth proportional to 26,679.70, 40,021.58 and 7,958.27 is: 11,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.70 : 40,021.58 = 7,958.27 : x
  2. Step 2: Convert to fraction form
    26,679.70/40,021.58 = 7,958.27/x
  3. Step 3: Cross multiply
    26,679.70x = 40,021.58 × 7,958.27
  4. Step 4: Simplify right side
    26,679.70x = 318,502,539.47
  5. Step 5: Solve for x
    x = 318,502,539.47/26,679.70
  6. Step 6: Final answer
    x = 11,938.01

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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.