Home / 13,445.68-20,169.60-3,584.92

Finding the Fourth Proportional to 13,445.68, 20,169.60 and 3,584.92

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Solution

The fourth proportional to 13,445.68, 20,169.60 and 3,584.92 is: 5,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.68 : 20,169.60 = 3,584.92 : x
  2. Step 2: Convert to fraction form
    13,445.68/20,169.60 = 3,584.92/x
  3. Step 3: Cross multiply
    13,445.68x = 20,169.60 × 3,584.92
  4. Step 4: Simplify right side
    13,445.68x = 72,306,402.43
  5. Step 5: Solve for x
    x = 72,306,402.43/13,445.68
  6. Step 6: Final answer
    x = 5,377.67

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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.