Home / 18,634.53-25,716.33-10,678.29

Finding the Fourth Proportional to 18,634.53, 25,716.33 and 10,678.29

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Solution

The fourth proportional to 18,634.53, 25,716.33 and 10,678.29 is: 14,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.53 : 25,716.33 = 10,678.29 : x
  2. Step 2: Convert to fraction form
    18,634.53/25,716.33 = 10,678.29/x
  3. Step 3: Cross multiply
    18,634.53x = 25,716.33 × 10,678.29
  4. Step 4: Simplify right side
    18,634.53x = 274,606,429.48
  5. Step 5: Solve for x
    x = 274,606,429.48/18,634.53
  6. Step 6: Final answer
    x = 14,736.43

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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.