Home / 16,198.99-22,354.07-9,911.36

Finding the Fourth Proportional to 16,198.99, 22,354.07 and 9,911.36

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Solution

The fourth proportional to 16,198.99, 22,354.07 and 9,911.36 is: 13,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,198.99 : 22,354.07 = 9,911.36 : x
  2. Step 2: Convert to fraction form
    16,198.99/22,354.07 = 9,911.36/x
  3. Step 3: Cross multiply
    16,198.99x = 22,354.07 × 9,911.36
  4. Step 4: Simplify right side
    16,198.99x = 221,559,241.56
  5. Step 5: Solve for x
    x = 221,559,241.56/16,198.99
  6. Step 6: Final answer
    x = 13,677.35

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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.