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Finding the Fourth Proportional to 14,912.91, 22,367.93 and 7,514.43

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Solution

The fourth proportional to 14,912.91, 22,367.93 and 7,514.43 is: 11,270.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.91 : 22,367.93 = 7,514.43 : x
  2. Step 2: Convert to fraction form
    14,912.91/22,367.93 = 7,514.43/x
  3. Step 3: Cross multiply
    14,912.91x = 22,367.93 × 7,514.43
  4. Step 4: Simplify right side
    14,912.91x = 168,082,206.66
  5. Step 5: Solve for x
    x = 168,082,206.66/14,912.91
  6. Step 6: Final answer
    x = 11,270.92

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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.