Home / 13,453.36-20,175.69-4,903.58

Finding the Fourth Proportional to 13,453.36, 20,175.69 and 4,903.58

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Solution

The fourth proportional to 13,453.36, 20,175.69 and 4,903.58 is: 7,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.36 : 20,175.69 = 4,903.58 : x
  2. Step 2: Convert to fraction form
    13,453.36/20,175.69 = 4,903.58/x
  3. Step 3: Cross multiply
    13,453.36x = 20,175.69 × 4,903.58
  4. Step 4: Simplify right side
    13,453.36x = 98,933,109.97
  5. Step 5: Solve for x
    x = 98,933,109.97/13,453.36
  6. Step 6: Final answer
    x = 7,353.78

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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.