Home / 18,241.08-25,178.94-10,689.84

Finding the Fourth Proportional to 18,241.08, 25,178.94 and 10,689.84

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Solution

The fourth proportional to 18,241.08, 25,178.94 and 10,689.84 is: 14,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.08 : 25,178.94 = 10,689.84 : x
  2. Step 2: Convert to fraction form
    18,241.08/25,178.94 = 10,689.84/x
  3. Step 3: Cross multiply
    18,241.08x = 25,178.94 × 10,689.84
  4. Step 4: Simplify right side
    18,241.08x = 269,158,839.97
  5. Step 5: Solve for x
    x = 269,158,839.97/18,241.08
  6. Step 6: Final answer
    x = 14,755.64

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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.