Home / 13,152.52-19,732.06-3,918.44

Finding the Fourth Proportional to 13,152.52, 19,732.06 and 3,918.44

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Solution

The fourth proportional to 13,152.52, 19,732.06 and 3,918.44 is: 5,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.52 : 19,732.06 = 3,918.44 : x
  2. Step 2: Convert to fraction form
    13,152.52/19,732.06 = 3,918.44/x
  3. Step 3: Cross multiply
    13,152.52x = 19,732.06 × 3,918.44
  4. Step 4: Simplify right side
    13,152.52x = 77,318,893.19
  5. Step 5: Solve for x
    x = 77,318,893.19/13,152.52
  6. Step 6: Final answer
    x = 5,878.64

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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.