Home / 25,576.80-38,364.74-8,936.76

Finding the Fourth Proportional to 25,576.80, 38,364.74 and 8,936.76

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Solution

The fourth proportional to 25,576.80, 38,364.74 and 8,936.76 is: 13,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.80 : 38,364.74 = 8,936.76 : x
  2. Step 2: Convert to fraction form
    25,576.80/38,364.74 = 8,936.76/x
  3. Step 3: Cross multiply
    25,576.80x = 38,364.74 × 8,936.76
  4. Step 4: Simplify right side
    25,576.80x = 342,856,429.16
  5. Step 5: Solve for x
    x = 342,856,429.16/25,576.80
  6. Step 6: Final answer
    x = 13,404.98

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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.