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Finding the Fourth Proportional to 13,627.66, 20,322.23 and 13,503.10

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Solution

The fourth proportional to 13,627.66, 20,322.23 and 13,503.10 is: 20,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.66 : 20,322.23 = 13,503.10 : x
  2. Step 2: Convert to fraction form
    13,627.66/20,322.23 = 13,503.10/x
  3. Step 3: Cross multiply
    13,627.66x = 20,322.23 × 13,503.10
  4. Step 4: Simplify right side
    13,627.66x = 274,413,103.91
  5. Step 5: Solve for x
    x = 274,413,103.91/13,627.66
  6. Step 6: Final answer
    x = 20,136.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.