Home / 14,091.93-21,147.12-5,326.85

Finding the Fourth Proportional to 14,091.93, 21,147.12 and 5,326.85

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Solution

The fourth proportional to 14,091.93, 21,147.12 and 5,326.85 is: 7,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.93 : 21,147.12 = 5,326.85 : x
  2. Step 2: Convert to fraction form
    14,091.93/21,147.12 = 5,326.85/x
  3. Step 3: Cross multiply
    14,091.93x = 21,147.12 × 5,326.85
  4. Step 4: Simplify right side
    14,091.93x = 112,647,536.17
  5. Step 5: Solve for x
    x = 112,647,536.17/14,091.93
  6. Step 6: Final answer
    x = 7,993.76

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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.