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Finding the Fourth Proportional to 18,296.63, 25,249.40 and 10,230.57

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Solution

The fourth proportional to 18,296.63, 25,249.40 and 10,230.57 is: 14,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.63 : 25,249.40 = 10,230.57 : x
  2. Step 2: Convert to fraction form
    18,296.63/25,249.40 = 10,230.57/x
  3. Step 3: Cross multiply
    18,296.63x = 25,249.40 × 10,230.57
  4. Step 4: Simplify right side
    18,296.63x = 258,315,741.37
  5. Step 5: Solve for x
    x = 258,315,741.37/18,296.63
  6. Step 6: Final answer
    x = 14,118.22

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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.