Home / 16,019.33-22,107.66-8,945.75

Finding the Fourth Proportional to 16,019.33, 22,107.66 and 8,945.75

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Solution

The fourth proportional to 16,019.33, 22,107.66 and 8,945.75 is: 12,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,019.33 : 22,107.66 = 8,945.75 : x
  2. Step 2: Convert to fraction form
    16,019.33/22,107.66 = 8,945.75/x
  3. Step 3: Cross multiply
    16,019.33x = 22,107.66 × 8,945.75
  4. Step 4: Simplify right side
    16,019.33x = 197,769,599.45
  5. Step 5: Solve for x
    x = 197,769,599.45/16,019.33
  6. Step 6: Final answer
    x = 12,345.68

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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.