Home / 19,237.20-28,861.20-9,376.80

Finding the Fourth Proportional to 19,237.20, 28,861.20 and 9,376.80

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Solution

The fourth proportional to 19,237.20, 28,861.20 and 9,376.80 is: 14,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.20 : 28,861.20 = 9,376.80 : x
  2. Step 2: Convert to fraction form
    19,237.20/28,861.20 = 9,376.80/x
  3. Step 3: Cross multiply
    19,237.20x = 28,861.20 × 9,376.80
  4. Step 4: Simplify right side
    19,237.20x = 270,625,700.16
  5. Step 5: Solve for x
    x = 270,625,700.16/19,237.20
  6. Step 6: Final answer
    x = 14,067.83

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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.