Home / 15,467.06-21,344.60-8,393.48

Finding the Fourth Proportional to 15,467.06, 21,344.60 and 8,393.48

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Solution

The fourth proportional to 15,467.06, 21,344.60 and 8,393.48 is: 11,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.06 : 21,344.60 = 8,393.48 : x
  2. Step 2: Convert to fraction form
    15,467.06/21,344.60 = 8,393.48/x
  3. Step 3: Cross multiply
    15,467.06x = 21,344.60 × 8,393.48
  4. Step 4: Simplify right side
    15,467.06x = 179,155,473.21
  5. Step 5: Solve for x
    x = 179,155,473.21/15,467.06
  6. Step 6: Final answer
    x = 11,583.03

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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.