Home / 19,846.22-29,770.16-8,750.34

Finding the Fourth Proportional to 19,846.22, 29,770.16 and 8,750.34

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Solution

The fourth proportional to 19,846.22, 29,770.16 and 8,750.34 is: 13,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,846.22 : 29,770.16 = 8,750.34 : x
  2. Step 2: Convert to fraction form
    19,846.22/29,770.16 = 8,750.34/x
  3. Step 3: Cross multiply
    19,846.22x = 29,770.16 × 8,750.34
  4. Step 4: Simplify right side
    19,846.22x = 260,498,978.10
  5. Step 5: Solve for x
    x = 260,498,978.10/19,846.22
  6. Step 6: Final answer
    x = 13,125.88

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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.