Home / 19,558.38-29,335.48-5,518.03

Finding the Fourth Proportional to 19,558.38, 29,335.48 and 5,518.03

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Solution

The fourth proportional to 19,558.38, 29,335.48 and 5,518.03 is: 8,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.38 : 29,335.48 = 5,518.03 : x
  2. Step 2: Convert to fraction form
    19,558.38/29,335.48 = 5,518.03/x
  3. Step 3: Cross multiply
    19,558.38x = 29,335.48 × 5,518.03
  4. Step 4: Simplify right side
    19,558.38x = 161,874,058.70
  5. Step 5: Solve for x
    x = 161,874,058.70/19,558.38
  6. Step 6: Final answer
    x = 8,276.46

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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.