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Finding the Fourth Proportional to 18,253.80, 25,189.43 and 10,296.77

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Solution

The fourth proportional to 18,253.80, 25,189.43 and 10,296.77 is: 14,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.80 : 25,189.43 = 10,296.77 : x
  2. Step 2: Convert to fraction form
    18,253.80/25,189.43 = 10,296.77/x
  3. Step 3: Cross multiply
    18,253.80x = 25,189.43 × 10,296.77
  4. Step 4: Simplify right side
    18,253.80x = 259,369,589.71
  5. Step 5: Solve for x
    x = 259,369,589.71/18,253.80
  6. Step 6: Final answer
    x = 14,209.07

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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.