Home / 18,836.88-25,996.11-10,453.38

Finding the Fourth Proportional to 18,836.88, 25,996.11 and 10,453.38

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Solution

The fourth proportional to 18,836.88, 25,996.11 and 10,453.38 is: 14,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.88 : 25,996.11 = 10,453.38 : x
  2. Step 2: Convert to fraction form
    18,836.88/25,996.11 = 10,453.38/x
  3. Step 3: Cross multiply
    18,836.88x = 25,996.11 × 10,453.38
  4. Step 4: Simplify right side
    18,836.88x = 271,747,216.35
  5. Step 5: Solve for x
    x = 271,747,216.35/18,836.88
  6. Step 6: Final answer
    x = 14,426.34

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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.