Home / 13,576.71-20,364.90-3,715.98

Finding the Fourth Proportional to 13,576.71, 20,364.90 and 3,715.98

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Solution

The fourth proportional to 13,576.71, 20,364.90 and 3,715.98 is: 5,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.71 : 20,364.90 = 3,715.98 : x
  2. Step 2: Convert to fraction form
    13,576.71/20,364.90 = 3,715.98/x
  3. Step 3: Cross multiply
    13,576.71x = 20,364.90 × 3,715.98
  4. Step 4: Simplify right side
    13,576.71x = 75,675,561.10
  5. Step 5: Solve for x
    x = 75,675,561.10/13,576.71
  6. Step 6: Final answer
    x = 5,573.92

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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.