Home / 13,072.75-19,604.18-4,750.70

Finding the Fourth Proportional to 13,072.75, 19,604.18 and 4,750.70

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Solution

The fourth proportional to 13,072.75, 19,604.18 and 4,750.70 is: 7,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.75 : 19,604.18 = 4,750.70 : x
  2. Step 2: Convert to fraction form
    13,072.75/19,604.18 = 4,750.70/x
  3. Step 3: Cross multiply
    13,072.75x = 19,604.18 × 4,750.70
  4. Step 4: Simplify right side
    13,072.75x = 93,133,491.78
  5. Step 5: Solve for x
    x = 93,133,491.78/13,072.75
  6. Step 6: Final answer
    x = 7,124.25

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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.