Home / 18,634.48-25,716.80-10,676.56

Finding the Fourth Proportional to 18,634.48, 25,716.80 and 10,676.56

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Solution

The fourth proportional to 18,634.48, 25,716.80 and 10,676.56 is: 14,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.48 : 25,716.80 = 10,676.56 : x
  2. Step 2: Convert to fraction form
    18,634.48/25,716.80 = 10,676.56/x
  3. Step 3: Cross multiply
    18,634.48x = 25,716.80 × 10,676.56
  4. Step 4: Simplify right side
    18,634.48x = 274,566,958.21
  5. Step 5: Solve for x
    x = 274,566,958.21/18,634.48
  6. Step 6: Final answer
    x = 14,734.35

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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.