Home / 21,910.88-32,853.15-8,567.98

Finding the Fourth Proportional to 21,910.88, 32,853.15 and 8,567.98

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Solution

The fourth proportional to 21,910.88, 32,853.15 and 8,567.98 is: 12,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,910.88 : 32,853.15 = 8,567.98 : x
  2. Step 2: Convert to fraction form
    21,910.88/32,853.15 = 8,567.98/x
  3. Step 3: Cross multiply
    21,910.88x = 32,853.15 × 8,567.98
  4. Step 4: Simplify right side
    21,910.88x = 281,485,082.13
  5. Step 5: Solve for x
    x = 281,485,082.13/21,910.88
  6. Step 6: Final answer
    x = 12,846.82

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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.