Home / 13,193.62-19,790.68-6,171.74

Finding the Fourth Proportional to 13,193.62, 19,790.68 and 6,171.74

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Solution

The fourth proportional to 13,193.62, 19,790.68 and 6,171.74 is: 9,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.62 : 19,790.68 = 6,171.74 : x
  2. Step 2: Convert to fraction form
    13,193.62/19,790.68 = 6,171.74/x
  3. Step 3: Cross multiply
    13,193.62x = 19,790.68 × 6,171.74
  4. Step 4: Simplify right side
    13,193.62x = 122,142,931.38
  5. Step 5: Solve for x
    x = 122,142,931.38/13,193.62
  6. Step 6: Final answer
    x = 9,257.73

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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.