Home / 13,375.76-20,066.77-4,015.60

Finding the Fourth Proportional to 13,375.76, 20,066.77 and 4,015.60

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Solution

The fourth proportional to 13,375.76, 20,066.77 and 4,015.60 is: 6,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.76 : 20,066.77 = 4,015.60 : x
  2. Step 2: Convert to fraction form
    13,375.76/20,066.77 = 4,015.60/x
  3. Step 3: Cross multiply
    13,375.76x = 20,066.77 × 4,015.60
  4. Step 4: Simplify right side
    13,375.76x = 80,580,076.46
  5. Step 5: Solve for x
    x = 80,580,076.46/13,375.76
  6. Step 6: Final answer
    x = 6,024.34

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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.