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Finding the Fourth Proportional to 16,774.70, 25,125.60 and 13,494.20

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Solution

The fourth proportional to 16,774.70, 25,125.60 and 13,494.20 is: 20,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.70 : 25,125.60 = 13,494.20 : x
  2. Step 2: Convert to fraction form
    16,774.70/25,125.60 = 13,494.20/x
  3. Step 3: Cross multiply
    16,774.70x = 25,125.60 × 13,494.20
  4. Step 4: Simplify right side
    16,774.70x = 339,049,871.52
  5. Step 5: Solve for x
    x = 339,049,871.52/16,774.70
  6. Step 6: Final answer
    x = 20,211.98

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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.