Home / 14,586.20-21,879.30-7,194.20

Finding the Fourth Proportional to 14,586.20, 21,879.30 and 7,194.20

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Solution

The fourth proportional to 14,586.20, 21,879.30 and 7,194.20 is: 10,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.20 : 21,879.30 = 7,194.20 : x
  2. Step 2: Convert to fraction form
    14,586.20/21,879.30 = 7,194.20/x
  3. Step 3: Cross multiply
    14,586.20x = 21,879.30 × 7,194.20
  4. Step 4: Simplify right side
    14,586.20x = 157,404,060.06
  5. Step 5: Solve for x
    x = 157,404,060.06/14,586.20
  6. Step 6: Final answer
    x = 10,791.30

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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.