Home / 18,576.21-25,634.70-10,399.69

Finding the Fourth Proportional to 18,576.21, 25,634.70 and 10,399.69

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Solution

The fourth proportional to 18,576.21, 25,634.70 and 10,399.69 is: 14,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.21 : 25,634.70 = 10,399.69 : x
  2. Step 2: Convert to fraction form
    18,576.21/25,634.70 = 10,399.69/x
  3. Step 3: Cross multiply
    18,576.21x = 25,634.70 × 10,399.69
  4. Step 4: Simplify right side
    18,576.21x = 266,592,933.24
  5. Step 5: Solve for x
    x = 266,592,933.24/18,576.21
  6. Step 6: Final answer
    x = 14,351.31

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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.