Home / 15,323.78-22,985.21-4,231.14

Finding the Fourth Proportional to 15,323.78, 22,985.21 and 4,231.14

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Solution

The fourth proportional to 15,323.78, 22,985.21 and 4,231.14 is: 6,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.78 : 22,985.21 = 4,231.14 : x
  2. Step 2: Convert to fraction form
    15,323.78/22,985.21 = 4,231.14/x
  3. Step 3: Cross multiply
    15,323.78x = 22,985.21 × 4,231.14
  4. Step 4: Simplify right side
    15,323.78x = 97,253,620.28
  5. Step 5: Solve for x
    x = 97,253,620.28/15,323.78
  6. Step 6: Final answer
    x = 6,346.58

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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.