Home / 22,779.55-34,174.33-6,986.75

Finding the Fourth Proportional to 22,779.55, 34,174.33 and 6,986.75

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Solution

The fourth proportional to 22,779.55, 34,174.33 and 6,986.75 is: 10,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.55 : 34,174.33 = 6,986.75 : x
  2. Step 2: Convert to fraction form
    22,779.55/34,174.33 = 6,986.75/x
  3. Step 3: Cross multiply
    22,779.55x = 34,174.33 × 6,986.75
  4. Step 4: Simplify right side
    22,779.55x = 238,767,311.79
  5. Step 5: Solve for x
    x = 238,767,311.79/22,779.55
  6. Step 6: Final answer
    x = 10,481.65

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1.5x scale

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.