Home / 16,969.96-23,418.66-9,896.68

Finding the Fourth Proportional to 16,969.96, 23,418.66 and 9,896.68

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Solution

The fourth proportional to 16,969.96, 23,418.66 and 9,896.68 is: 13,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.96 : 23,418.66 = 9,896.68 : x
  2. Step 2: Convert to fraction form
    16,969.96/23,418.66 = 9,896.68/x
  3. Step 3: Cross multiply
    16,969.96x = 23,418.66 × 9,896.68
  4. Step 4: Simplify right side
    16,969.96x = 231,766,984.05
  5. Step 5: Solve for x
    x = 231,766,984.05/16,969.96
  6. Step 6: Final answer
    x = 13,657.49

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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.