Home / 22,004.87-30,370.60-13,057.30

Finding the Fourth Proportional to 22,004.87, 30,370.60 and 13,057.30

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Solution

The fourth proportional to 22,004.87, 30,370.60 and 13,057.30 is: 18,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.87 : 30,370.60 = 13,057.30 : x
  2. Step 2: Convert to fraction form
    22,004.87/30,370.60 = 13,057.30/x
  3. Step 3: Cross multiply
    22,004.87x = 30,370.60 × 13,057.30
  4. Step 4: Simplify right side
    22,004.87x = 396,558,016.22
  5. Step 5: Solve for x
    x = 396,558,016.22/22,004.87
  6. Step 6: Final answer
    x = 18,021.38

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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.