Home / 20,030.94-30,037.26-10,668.54

Finding the Fourth Proportional to 20,030.94, 30,037.26 and 10,668.54

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Solution

The fourth proportional to 20,030.94, 30,037.26 and 10,668.54 is: 15,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.94 : 30,037.26 = 10,668.54 : x
  2. Step 2: Convert to fraction form
    20,030.94/30,037.26 = 10,668.54/x
  3. Step 3: Cross multiply
    20,030.94x = 30,037.26 × 10,668.54
  4. Step 4: Simplify right side
    20,030.94x = 320,453,709.80
  5. Step 5: Solve for x
    x = 320,453,709.80/20,030.94
  6. Step 6: Final answer
    x = 15,997.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.