Home / 13,084.40-19,631.81-4,764.98

Finding the Fourth Proportional to 13,084.40, 19,631.81 and 4,764.98

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Solution

The fourth proportional to 13,084.40, 19,631.81 and 4,764.98 is: 7,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.40 : 19,631.81 = 4,764.98 : x
  2. Step 2: Convert to fraction form
    13,084.40/19,631.81 = 4,764.98/x
  3. Step 3: Cross multiply
    13,084.40x = 19,631.81 × 4,764.98
  4. Step 4: Simplify right side
    13,084.40x = 93,545,243.01
  5. Step 5: Solve for x
    x = 93,545,243.01/13,084.40
  6. Step 6: Final answer
    x = 7,149.37

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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.