Home / 14,195.56-19,589.88-7,907.92

Finding the Fourth Proportional to 14,195.56, 19,589.88 and 7,907.92

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Solution

The fourth proportional to 14,195.56, 19,589.88 and 7,907.92 is: 10,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.56 : 19,589.88 = 7,907.92 : x
  2. Step 2: Convert to fraction form
    14,195.56/19,589.88 = 7,907.92/x
  3. Step 3: Cross multiply
    14,195.56x = 19,589.88 × 7,907.92
  4. Step 4: Simplify right side
    14,195.56x = 154,915,203.85
  5. Step 5: Solve for x
    x = 154,915,203.85/14,195.56
  6. Step 6: Final answer
    x = 10,912.93

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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.