Home / 14,147.75-19,525.06-9,122.43

Finding the Fourth Proportional to 14,147.75, 19,525.06 and 9,122.43

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Solution

The fourth proportional to 14,147.75, 19,525.06 and 9,122.43 is: 12,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.75 : 19,525.06 = 9,122.43 : x
  2. Step 2: Convert to fraction form
    14,147.75/19,525.06 = 9,122.43/x
  3. Step 3: Cross multiply
    14,147.75x = 19,525.06 × 9,122.43
  4. Step 4: Simplify right side
    14,147.75x = 178,116,077.72
  5. Step 5: Solve for x
    x = 178,116,077.72/14,147.75
  6. Step 6: Final answer
    x = 12,589.71

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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.