Home / 25,615.11-35,351.46-14,286.45

Finding the Fourth Proportional to 25,615.11, 35,351.46 and 14,286.45

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Solution

The fourth proportional to 25,615.11, 35,351.46 and 14,286.45 is: 19,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.11 : 35,351.46 = 14,286.45 : x
  2. Step 2: Convert to fraction form
    25,615.11/35,351.46 = 14,286.45/x
  3. Step 3: Cross multiply
    25,615.11x = 35,351.46 × 14,286.45
  4. Step 4: Simplify right side
    25,615.11x = 505,046,865.72
  5. Step 5: Solve for x
    x = 505,046,865.72/25,615.11
  6. Step 6: Final answer
    x = 19,716.76

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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.