Home / 20,040.08-30,195.39-16,606.48

Finding the Fourth Proportional to 20,040.08, 30,195.39 and 16,606.48

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Solution

The fourth proportional to 20,040.08, 30,195.39 and 16,606.48 is: 25,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.08 : 30,195.39 = 16,606.48 : x
  2. Step 2: Convert to fraction form
    20,040.08/30,195.39 = 16,606.48/x
  3. Step 3: Cross multiply
    20,040.08x = 30,195.39 × 16,606.48
  4. Step 4: Simplify right side
    20,040.08x = 501,439,140.13
  5. Step 5: Solve for x
    x = 501,439,140.13/20,040.08
  6. Step 6: Final answer
    x = 25,021.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.