Home / 13,668.27-20,503.62-5,348.90

Finding the Fourth Proportional to 13,668.27, 20,503.62 and 5,348.90

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Solution

The fourth proportional to 13,668.27, 20,503.62 and 5,348.90 is: 8,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.27 : 20,503.62 = 5,348.90 : x
  2. Step 2: Convert to fraction form
    13,668.27/20,503.62 = 5,348.90/x
  3. Step 3: Cross multiply
    13,668.27x = 20,503.62 × 5,348.90
  4. Step 4: Simplify right side
    13,668.27x = 109,671,813.02
  5. Step 5: Solve for x
    x = 109,671,813.02/13,668.27
  6. Step 6: Final answer
    x = 8,023.83

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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.