Home / 13,152.11-19,725.26-3,790.07

Finding the Fourth Proportional to 13,152.11, 19,725.26 and 3,790.07

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Solution

The fourth proportional to 13,152.11, 19,725.26 and 3,790.07 is: 5,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.11 : 19,725.26 = 3,790.07 : x
  2. Step 2: Convert to fraction form
    13,152.11/19,725.26 = 3,790.07/x
  3. Step 3: Cross multiply
    13,152.11x = 19,725.26 × 3,790.07
  4. Step 4: Simplify right side
    13,152.11x = 74,760,017.54
  5. Step 5: Solve for x
    x = 74,760,017.54/13,152.11
  6. Step 6: Final answer
    x = 5,684.26

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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.