Home / 15,634.60-23,456.96-5,775.28

Finding the Fourth Proportional to 15,634.60, 23,456.96 and 5,775.28

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Solution

The fourth proportional to 15,634.60, 23,456.96 and 5,775.28 is: 8,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.60 : 23,456.96 = 5,775.28 : x
  2. Step 2: Convert to fraction form
    15,634.60/23,456.96 = 5,775.28/x
  3. Step 3: Cross multiply
    15,634.60x = 23,456.96 × 5,775.28
  4. Step 4: Simplify right side
    15,634.60x = 135,470,511.95
  5. Step 5: Solve for x
    x = 135,470,511.95/15,634.60
  6. Step 6: Final answer
    x = 8,664.79

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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.