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Finding the Fourth Proportional to 18,496.94, 25,525.80 and 10,113.44

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Solution

The fourth proportional to 18,496.94, 25,525.80 and 10,113.44 is: 13,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.94 : 25,525.80 = 10,113.44 : x
  2. Step 2: Convert to fraction form
    18,496.94/25,525.80 = 10,113.44/x
  3. Step 3: Cross multiply
    18,496.94x = 25,525.80 × 10,113.44
  4. Step 4: Simplify right side
    18,496.94x = 258,153,646.75
  5. Step 5: Solve for x
    x = 258,153,646.75/18,496.94
  6. Step 6: Final answer
    x = 13,956.56

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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.