Home / 12,065.44-18,104.96-9,425.53

Finding the Fourth Proportional to 12,065.44, 18,104.96 and 9,425.53

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Solution

The fourth proportional to 12,065.44, 18,104.96 and 9,425.53 is: 14,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.44 : 18,104.96 = 9,425.53 : x
  2. Step 2: Convert to fraction form
    12,065.44/18,104.96 = 9,425.53/x
  3. Step 3: Cross multiply
    12,065.44x = 18,104.96 × 9,425.53
  4. Step 4: Simplify right side
    12,065.44x = 170,648,843.63
  5. Step 5: Solve for x
    x = 170,648,843.63/12,065.44
  6. Step 6: Final answer
    x = 14,143.61

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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.