Home / 13,992.22-19,310.07-7,704.70

Finding the Fourth Proportional to 13,992.22, 19,310.07 and 7,704.70

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Solution

The fourth proportional to 13,992.22, 19,310.07 and 7,704.70 is: 10,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.22 : 19,310.07 = 7,704.70 : x
  2. Step 2: Convert to fraction form
    13,992.22/19,310.07 = 7,704.70/x
  3. Step 3: Cross multiply
    13,992.22x = 19,310.07 × 7,704.70
  4. Step 4: Simplify right side
    13,992.22x = 148,778,296.33
  5. Step 5: Solve for x
    x = 148,778,296.33/13,992.22
  6. Step 6: Final answer
    x = 10,632.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.