Home / 14,195.25-19,589.58-7,907.76

Finding the Fourth Proportional to 14,195.25, 19,589.58 and 7,907.76

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Solution

The fourth proportional to 14,195.25, 19,589.58 and 7,907.76 is: 10,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.25 : 19,589.58 = 7,907.76 : x
  2. Step 2: Convert to fraction form
    14,195.25/19,589.58 = 7,907.76/x
  3. Step 3: Cross multiply
    14,195.25x = 19,589.58 × 7,907.76
  4. Step 4: Simplify right side
    14,195.25x = 154,909,697.14
  5. Step 5: Solve for x
    x = 154,909,697.14/14,195.25
  6. Step 6: Final answer
    x = 10,912.78

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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.