Home / 12,907.44-19,380.60-7,367.04

Finding the Fourth Proportional to 12,907.44, 19,380.60 and 7,367.04

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Solution

The fourth proportional to 12,907.44, 19,380.60 and 7,367.04 is: 11,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.44 : 19,380.60 = 7,367.04 : x
  2. Step 2: Convert to fraction form
    12,907.44/19,380.60 = 7,367.04/x
  3. Step 3: Cross multiply
    12,907.44x = 19,380.60 × 7,367.04
  4. Step 4: Simplify right side
    12,907.44x = 142,777,655.42
  5. Step 5: Solve for x
    x = 142,777,655.42/12,907.44
  6. Step 6: Final answer
    x = 11,061.66

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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.