Home / 25,576.97-38,369.09-8,040.87

Finding the Fourth Proportional to 25,576.97, 38,369.09 and 8,040.87

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Solution

The fourth proportional to 25,576.97, 38,369.09 and 8,040.87 is: 12,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.97 : 38,369.09 = 8,040.87 : x
  2. Step 2: Convert to fraction form
    25,576.97/38,369.09 = 8,040.87/x
  3. Step 3: Cross multiply
    25,576.97x = 38,369.09 × 8,040.87
  4. Step 4: Simplify right side
    25,576.97x = 308,520,884.81
  5. Step 5: Solve for x
    x = 308,520,884.81/25,576.97
  6. Step 6: Final answer
    x = 12,062.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.