Home / 16,822.40-23,214.69-9,268.56

Finding the Fourth Proportional to 16,822.40, 23,214.69 and 9,268.56

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Solution

The fourth proportional to 16,822.40, 23,214.69 and 9,268.56 is: 12,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.40 : 23,214.69 = 9,268.56 : x
  2. Step 2: Convert to fraction form
    16,822.40/23,214.69 = 9,268.56/x
  3. Step 3: Cross multiply
    16,822.40x = 23,214.69 × 9,268.56
  4. Step 4: Simplify right side
    16,822.40x = 215,166,747.15
  5. Step 5: Solve for x
    x = 215,166,747.15/16,822.40
  6. Step 6: Final answer
    x = 12,790.49

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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.