Home / 13,047.19-19,571.84-3,687.29

Finding the Fourth Proportional to 13,047.19, 19,571.84 and 3,687.29

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Solution

The fourth proportional to 13,047.19, 19,571.84 and 3,687.29 is: 5,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.19 : 19,571.84 = 3,687.29 : x
  2. Step 2: Convert to fraction form
    13,047.19/19,571.84 = 3,687.29/x
  3. Step 3: Cross multiply
    13,047.19x = 19,571.84 × 3,687.29
  4. Step 4: Simplify right side
    13,047.19x = 72,166,961.27
  5. Step 5: Solve for x
    x = 72,166,961.27/13,047.19
  6. Step 6: Final answer
    x = 5,531.23

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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.