Home / 13,533.86-20,272.44-8,600.96

Finding the Fourth Proportional to 13,533.86, 20,272.44 and 8,600.96

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Solution

The fourth proportional to 13,533.86, 20,272.44 and 8,600.96 is: 12,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.86 : 20,272.44 = 8,600.96 : x
  2. Step 2: Convert to fraction form
    13,533.86/20,272.44 = 8,600.96/x
  3. Step 3: Cross multiply
    13,533.86x = 20,272.44 × 8,600.96
  4. Step 4: Simplify right side
    13,533.86x = 174,362,445.54
  5. Step 5: Solve for x
    x = 174,362,445.54/13,533.86
  6. Step 6: Final answer
    x = 12,883.42

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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.