Home / 14,195.22-19,589.64-7,907.61

Finding the Fourth Proportional to 14,195.22, 19,589.64 and 7,907.61

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Solution

The fourth proportional to 14,195.22, 19,589.64 and 7,907.61 is: 10,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.22 : 19,589.64 = 7,907.61 : x
  2. Step 2: Convert to fraction form
    14,195.22/19,589.64 = 7,907.61/x
  3. Step 3: Cross multiply
    14,195.22x = 19,589.64 × 7,907.61
  4. Step 4: Simplify right side
    14,195.22x = 154,907,233.16
  5. Step 5: Solve for x
    x = 154,907,233.16/14,195.22
  6. Step 6: Final answer
    x = 10,912.63

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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.