Home / 13,672.14-20,504.58-5,774.76

Finding the Fourth Proportional to 13,672.14, 20,504.58 and 5,774.76

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Solution

The fourth proportional to 13,672.14, 20,504.58 and 5,774.76 is: 8,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.14 : 20,504.58 = 5,774.76 : x
  2. Step 2: Convert to fraction form
    13,672.14/20,504.58 = 5,774.76/x
  3. Step 3: Cross multiply
    13,672.14x = 20,504.58 × 5,774.76
  4. Step 4: Simplify right side
    13,672.14x = 118,409,028.40
  5. Step 5: Solve for x
    x = 118,409,028.40/13,672.14
  6. Step 6: Final answer
    x = 8,660.61

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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.