Home / 13,353.44-20,010.68-7,511.68

Finding the Fourth Proportional to 13,353.44, 20,010.68 and 7,511.68

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Solution

The fourth proportional to 13,353.44, 20,010.68 and 7,511.68 is: 11,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.44 : 20,010.68 = 7,511.68 : x
  2. Step 2: Convert to fraction form
    13,353.44/20,010.68 = 7,511.68/x
  3. Step 3: Cross multiply
    13,353.44x = 20,010.68 × 7,511.68
  4. Step 4: Simplify right side
    13,353.44x = 150,313,824.74
  5. Step 5: Solve for x
    x = 150,313,824.74/13,353.44
  6. Step 6: Final answer
    x = 11,256.56

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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.