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Finding the Fourth Proportional to 18,462.34, 25,468.50 and 12,496.24

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Solution

The fourth proportional to 18,462.34, 25,468.50 and 12,496.24 is: 17,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.34 : 25,468.50 = 12,496.24 : x
  2. Step 2: Convert to fraction form
    18,462.34/25,468.50 = 12,496.24/x
  3. Step 3: Cross multiply
    18,462.34x = 25,468.50 × 12,496.24
  4. Step 4: Simplify right side
    18,462.34x = 318,260,488.44
  5. Step 5: Solve for x
    x = 318,260,488.44/18,462.34
  6. Step 6: Final answer
    x = 17,238.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.