Home / 19,880.04-29,801.52-6,723.26

Finding the Fourth Proportional to 19,880.04, 29,801.52 and 6,723.26

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Solution

The fourth proportional to 19,880.04, 29,801.52 and 6,723.26 is: 10,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.04 : 29,801.52 = 6,723.26 : x
  2. Step 2: Convert to fraction form
    19,880.04/29,801.52 = 6,723.26/x
  3. Step 3: Cross multiply
    19,880.04x = 29,801.52 × 6,723.26
  4. Step 4: Simplify right side
    19,880.04x = 200,363,218.35
  5. Step 5: Solve for x
    x = 200,363,218.35/19,880.04
  6. Step 6: Final answer
    x = 10,078.61

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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.