Home / 23,209.80-34,826.20-9,179.89

Finding the Fourth Proportional to 23,209.80, 34,826.20 and 9,179.89

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Solution

The fourth proportional to 23,209.80, 34,826.20 and 9,179.89 is: 13,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,209.80 : 34,826.20 = 9,179.89 : x
  2. Step 2: Convert to fraction form
    23,209.80/34,826.20 = 9,179.89/x
  3. Step 3: Cross multiply
    23,209.80x = 34,826.20 × 9,179.89
  4. Step 4: Simplify right side
    23,209.80x = 319,700,575.10
  5. Step 5: Solve for x
    x = 319,700,575.10/23,209.80
  6. Step 6: Final answer
    x = 13,774.38

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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.