Home / 13,176.92-19,765.62-5,779.88

Finding the Fourth Proportional to 13,176.92, 19,765.62 and 5,779.88

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Solution

The fourth proportional to 13,176.92, 19,765.62 and 5,779.88 is: 8,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.92 : 19,765.62 = 5,779.88 : x
  2. Step 2: Convert to fraction form
    13,176.92/19,765.62 = 5,779.88/x
  3. Step 3: Cross multiply
    13,176.92x = 19,765.62 × 5,779.88
  4. Step 4: Simplify right side
    13,176.92x = 114,242,911.73
  5. Step 5: Solve for x
    x = 114,242,911.73/13,176.92
  6. Step 6: Final answer
    x = 8,669.93

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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.