Home / 18,977.96-28,466.64-5,830.04

Finding the Fourth Proportional to 18,977.96, 28,466.64 and 5,830.04

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Solution

The fourth proportional to 18,977.96, 28,466.64 and 5,830.04 is: 8,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.96 : 28,466.64 = 5,830.04 : x
  2. Step 2: Convert to fraction form
    18,977.96/28,466.64 = 5,830.04/x
  3. Step 3: Cross multiply
    18,977.96x = 28,466.64 × 5,830.04
  4. Step 4: Simplify right side
    18,977.96x = 165,961,721.03
  5. Step 5: Solve for x
    x = 165,961,721.03/18,977.96
  6. Step 6: Final answer
    x = 8,744.97

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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.