Home / 17,077.30-25,635.15-13,198.90

Finding the Fourth Proportional to 17,077.30, 25,635.15 and 13,198.90

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Solution

The fourth proportional to 17,077.30, 25,635.15 and 13,198.90 is: 19,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,077.30 : 25,635.15 = 13,198.90 : x
  2. Step 2: Convert to fraction form
    17,077.30/25,635.15 = 13,198.90/x
  3. Step 3: Cross multiply
    17,077.30x = 25,635.15 × 13,198.90
  4. Step 4: Simplify right side
    17,077.30x = 338,355,781.34
  5. Step 5: Solve for x
    x = 338,355,781.34/17,077.30
  6. Step 6: Final answer
    x = 19,813.19

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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.