Home / 16,911.99-23,338.33-9,357.75

Finding the Fourth Proportional to 16,911.99, 23,338.33 and 9,357.75

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Solution

The fourth proportional to 16,911.99, 23,338.33 and 9,357.75 is: 12,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.99 : 23,338.33 = 9,357.75 : x
  2. Step 2: Convert to fraction form
    16,911.99/23,338.33 = 9,357.75/x
  3. Step 3: Cross multiply
    16,911.99x = 23,338.33 × 9,357.75
  4. Step 4: Simplify right side
    16,911.99x = 218,394,234.16
  5. Step 5: Solve for x
    x = 218,394,234.16/16,911.99
  6. Step 6: Final answer
    x = 12,913.57

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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.