Home / 17,378.40-26,067.60-5,692.80

Finding the Fourth Proportional to 17,378.40, 26,067.60 and 5,692.80

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Solution

The fourth proportional to 17,378.40, 26,067.60 and 5,692.80 is: 8,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.40 : 26,067.60 = 5,692.80 : x
  2. Step 2: Convert to fraction form
    17,378.40/26,067.60 = 5,692.80/x
  3. Step 3: Cross multiply
    17,378.40x = 26,067.60 × 5,692.80
  4. Step 4: Simplify right side
    17,378.40x = 148,397,633.28
  5. Step 5: Solve for x
    x = 148,397,633.28/17,378.40
  6. Step 6: Final answer
    x = 8,539.20

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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.