Home / 14,969.37-20,657.26-8,255.28

Finding the Fourth Proportional to 14,969.37, 20,657.26 and 8,255.28

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Solution

The fourth proportional to 14,969.37, 20,657.26 and 8,255.28 is: 11,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.37 : 20,657.26 = 8,255.28 : x
  2. Step 2: Convert to fraction form
    14,969.37/20,657.26 = 8,255.28/x
  3. Step 3: Cross multiply
    14,969.37x = 20,657.26 × 8,255.28
  4. Step 4: Simplify right side
    14,969.37x = 170,531,465.33
  5. Step 5: Solve for x
    x = 170,531,465.33/14,969.37
  6. Step 6: Final answer
    x = 11,392.03

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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.