Home / 13,084.71-19,635.38-4,763.91

Finding the Fourth Proportional to 13,084.71, 19,635.38 and 4,763.91

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Solution

The fourth proportional to 13,084.71, 19,635.38 and 4,763.91 is: 7,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.71 : 19,635.38 = 4,763.91 : x
  2. Step 2: Convert to fraction form
    13,084.71/19,635.38 = 4,763.91/x
  3. Step 3: Cross multiply
    13,084.71x = 19,635.38 × 4,763.91
  4. Step 4: Simplify right side
    13,084.71x = 93,541,183.14
  5. Step 5: Solve for x
    x = 93,541,183.14/13,084.71
  6. Step 6: Final answer
    x = 7,148.89

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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.