Home / 13,334.64-20,014.52-6,765.54

Finding the Fourth Proportional to 13,334.64, 20,014.52 and 6,765.54

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Solution

The fourth proportional to 13,334.64, 20,014.52 and 6,765.54 is: 10,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.64 : 20,014.52 = 6,765.54 : x
  2. Step 2: Convert to fraction form
    13,334.64/20,014.52 = 6,765.54/x
  3. Step 3: Cross multiply
    13,334.64x = 20,014.52 × 6,765.54
  4. Step 4: Simplify right side
    13,334.64x = 135,409,001.81
  5. Step 5: Solve for x
    x = 135,409,001.81/13,334.64
  6. Step 6: Final answer
    x = 10,154.68

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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.