Home / 19,039.44-28,559.15-5,188.44

Finding the Fourth Proportional to 19,039.44, 28,559.15 and 5,188.44

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Solution

The fourth proportional to 19,039.44, 28,559.15 and 5,188.44 is: 7,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.44 : 28,559.15 = 5,188.44 : x
  2. Step 2: Convert to fraction form
    19,039.44/28,559.15 = 5,188.44/x
  3. Step 3: Cross multiply
    19,039.44x = 28,559.15 × 5,188.44
  4. Step 4: Simplify right side
    19,039.44x = 148,177,410.28
  5. Step 5: Solve for x
    x = 148,177,410.28/19,039.44
  6. Step 6: Final answer
    x = 7,782.66

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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.