Home / 19,745.51-29,620.11-7,265.77

Finding the Fourth Proportional to 19,745.51, 29,620.11 and 7,265.77

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Solution

The fourth proportional to 19,745.51, 29,620.11 and 7,265.77 is: 10,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.51 : 29,620.11 = 7,265.77 : x
  2. Step 2: Convert to fraction form
    19,745.51/29,620.11 = 7,265.77/x
  3. Step 3: Cross multiply
    19,745.51x = 29,620.11 × 7,265.77
  4. Step 4: Simplify right side
    19,745.51x = 215,212,859.83
  5. Step 5: Solve for x
    x = 215,212,859.83/19,745.51
  6. Step 6: Final answer
    x = 10,899.33

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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.