Home / 16,078.68-22,190.64-9,007.38

Finding the Fourth Proportional to 16,078.68, 22,190.64 and 9,007.38

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Solution

The fourth proportional to 16,078.68, 22,190.64 and 9,007.38 is: 12,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,078.68 : 22,190.64 = 9,007.38 : x
  2. Step 2: Convert to fraction form
    16,078.68/22,190.64 = 9,007.38/x
  3. Step 3: Cross multiply
    16,078.68x = 22,190.64 × 9,007.38
  4. Step 4: Simplify right side
    16,078.68x = 199,879,526.92
  5. Step 5: Solve for x
    x = 199,879,526.92/16,078.68
  6. Step 6: Final answer
    x = 12,431.34

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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.