Home / 19,039.20-28,559.92-7,352.48

Finding the Fourth Proportional to 19,039.20, 28,559.92 and 7,352.48

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Solution

The fourth proportional to 19,039.20, 28,559.92 and 7,352.48 is: 11,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.20 : 28,559.92 = 7,352.48 : x
  2. Step 2: Convert to fraction form
    19,039.20/28,559.92 = 7,352.48/x
  3. Step 3: Cross multiply
    19,039.20x = 28,559.92 × 7,352.48
  4. Step 4: Simplify right side
    19,039.20x = 209,986,240.60
  5. Step 5: Solve for x
    x = 209,986,240.60/19,039.20
  6. Step 6: Final answer
    x = 11,029.15

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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.