Home / 19,690.48-29,524.38-8,591.86

Finding the Fourth Proportional to 19,690.48, 29,524.38 and 8,591.86

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Solution

The fourth proportional to 19,690.48, 29,524.38 and 8,591.86 is: 12,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.48 : 29,524.38 = 8,591.86 : x
  2. Step 2: Convert to fraction form
    19,690.48/29,524.38 = 8,591.86/x
  3. Step 3: Cross multiply
    19,690.48x = 29,524.38 × 8,591.86
  4. Step 4: Simplify right side
    19,690.48x = 253,669,339.55
  5. Step 5: Solve for x
    x = 253,669,339.55/19,690.48
  6. Step 6: Final answer
    x = 12,882.84

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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.