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Finding the Fourth Proportional to 13,466.70, 20,025.59 and 13,050.90

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Solution

The fourth proportional to 13,466.70, 20,025.59 and 13,050.90 is: 19,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.70 : 20,025.59 = 13,050.90 : x
  2. Step 2: Convert to fraction form
    13,466.70/20,025.59 = 13,050.90/x
  3. Step 3: Cross multiply
    13,466.70x = 20,025.59 × 13,050.90
  4. Step 4: Simplify right side
    13,466.70x = 261,351,907.28
  5. Step 5: Solve for x
    x = 261,351,907.28/13,466.70
  6. Step 6: Final answer
    x = 19,407.27

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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.