Home / 19,425.90-29,138.85-6,099.89

Finding the Fourth Proportional to 19,425.90, 29,138.85 and 6,099.89

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Solution

The fourth proportional to 19,425.90, 29,138.85 and 6,099.89 is: 9,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.90 : 29,138.85 = 6,099.89 : x
  2. Step 2: Convert to fraction form
    19,425.90/29,138.85 = 6,099.89/x
  3. Step 3: Cross multiply
    19,425.90x = 29,138.85 × 6,099.89
  4. Step 4: Simplify right side
    19,425.90x = 177,743,779.73
  5. Step 5: Solve for x
    x = 177,743,779.73/19,425.90
  6. Step 6: Final answer
    x = 9,149.84

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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.