Home / 14,610.66-21,912.75-8,768.94

Finding the Fourth Proportional to 14,610.66, 21,912.75 and 8,768.94

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Solution

The fourth proportional to 14,610.66, 21,912.75 and 8,768.94 is: 13,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.66 : 21,912.75 = 8,768.94 : x
  2. Step 2: Convert to fraction form
    14,610.66/21,912.75 = 8,768.94/x
  3. Step 3: Cross multiply
    14,610.66x = 21,912.75 × 8,768.94
  4. Step 4: Simplify right side
    14,610.66x = 192,151,589.99
  5. Step 5: Solve for x
    x = 192,151,589.99/14,610.66
  6. Step 6: Final answer
    x = 13,151.47

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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.