Home / 16,080.45-22,183.36-9,707.28

Finding the Fourth Proportional to 16,080.45, 22,183.36 and 9,707.28

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Solution

The fourth proportional to 16,080.45, 22,183.36 and 9,707.28 is: 13,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,080.45 : 22,183.36 = 9,707.28 : x
  2. Step 2: Convert to fraction form
    16,080.45/22,183.36 = 9,707.28/x
  3. Step 3: Cross multiply
    16,080.45x = 22,183.36 × 9,707.28
  4. Step 4: Simplify right side
    16,080.45x = 215,340,059.34
  5. Step 5: Solve for x
    x = 215,340,059.34/16,080.45
  6. Step 6: Final answer
    x = 13,391.42

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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.