Home / 13,675.26-18,873.28-8,373.60

Finding the Fourth Proportional to 13,675.26, 18,873.28 and 8,373.60

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Solution

The fourth proportional to 13,675.26, 18,873.28 and 8,373.60 is: 11,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.26 : 18,873.28 = 8,373.60 : x
  2. Step 2: Convert to fraction form
    13,675.26/18,873.28 = 8,373.60/x
  3. Step 3: Cross multiply
    13,675.26x = 18,873.28 × 8,373.60
  4. Step 4: Simplify right side
    13,675.26x = 158,037,297.41
  5. Step 5: Solve for x
    x = 158,037,297.41/13,675.26
  6. Step 6: Final answer
    x = 11,556.44

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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.