Home / 26,408.19-39,609.90-9,768.36

Finding the Fourth Proportional to 26,408.19, 39,609.90 and 9,768.36

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Solution

The fourth proportional to 26,408.19, 39,609.90 and 9,768.36 is: 14,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408.19 : 39,609.90 = 9,768.36 : x
  2. Step 2: Convert to fraction form
    26,408.19/39,609.90 = 9,768.36/x
  3. Step 3: Cross multiply
    26,408.19x = 39,609.90 × 9,768.36
  4. Step 4: Simplify right side
    26,408.19x = 386,923,762.76
  5. Step 5: Solve for x
    x = 386,923,762.76/26,408.19
  6. Step 6: Final answer
    x = 14,651.66

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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.