Home / 19,600.40-29,390.52-5,747.60

Finding the Fourth Proportional to 19,600.40, 29,390.52 and 5,747.60

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Solution

The fourth proportional to 19,600.40, 29,390.52 and 5,747.60 is: 8,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.40 : 29,390.52 = 5,747.60 : x
  2. Step 2: Convert to fraction form
    19,600.40/29,390.52 = 5,747.60/x
  3. Step 3: Cross multiply
    19,600.40x = 29,390.52 × 5,747.60
  4. Step 4: Simplify right side
    19,600.40x = 168,924,952.75
  5. Step 5: Solve for x
    x = 168,924,952.75/19,600.40
  6. Step 6: Final answer
    x = 8,618.44

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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.