Home / 19,259.85-28,861.35-8,733.09

Finding the Fourth Proportional to 19,259.85, 28,861.35 and 8,733.09

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Solution

The fourth proportional to 19,259.85, 28,861.35 and 8,733.09 is: 13,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.85 : 28,861.35 = 8,733.09 : x
  2. Step 2: Convert to fraction form
    19,259.85/28,861.35 = 8,733.09/x
  3. Step 3: Cross multiply
    19,259.85x = 28,861.35 × 8,733.09
  4. Step 4: Simplify right side
    19,259.85x = 252,048,767.07
  5. Step 5: Solve for x
    x = 252,048,767.07/19,259.85
  6. Step 6: Final answer
    x = 13,086.75

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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.