Home / 16,199.99-22,355.44-9,912.36

Finding the Fourth Proportional to 16,199.99, 22,355.44 and 9,912.36

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Solution

The fourth proportional to 16,199.99, 22,355.44 and 9,912.36 is: 13,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,199.99 : 22,355.44 = 9,912.36 : x
  2. Step 2: Convert to fraction form
    16,199.99/22,355.44 = 9,912.36/x
  3. Step 3: Cross multiply
    16,199.99x = 22,355.44 × 9,912.36
  4. Step 4: Simplify right side
    16,199.99x = 221,595,169.24
  5. Step 5: Solve for x
    x = 221,595,169.24/16,199.99
  6. Step 6: Final answer
    x = 13,678.72

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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.