Home / 23,782.50-32,819.43-13,171.89

Finding the Fourth Proportional to 23,782.50, 32,819.43 and 13,171.89

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Solution

The fourth proportional to 23,782.50, 32,819.43 and 13,171.89 is: 18,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,782.50 : 32,819.43 = 13,171.89 : x
  2. Step 2: Convert to fraction form
    23,782.50/32,819.43 = 13,171.89/x
  3. Step 3: Cross multiply
    23,782.50x = 32,819.43 × 13,171.89
  4. Step 4: Simplify right side
    23,782.50x = 432,293,921.82
  5. Step 5: Solve for x
    x = 432,293,921.82/23,782.50
  6. Step 6: Final answer
    x = 18,176.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.