Home / 25,442.96-38,179.40-10,650.64

Finding the Fourth Proportional to 25,442.96, 38,179.40 and 10,650.64

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Solution

The fourth proportional to 25,442.96, 38,179.40 and 10,650.64 is: 15,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442.96 : 38,179.40 = 10,650.64 : x
  2. Step 2: Convert to fraction form
    25,442.96/38,179.40 = 10,650.64/x
  3. Step 3: Cross multiply
    25,442.96x = 38,179.40 × 10,650.64
  4. Step 4: Simplify right side
    25,442.96x = 406,635,044.82
  5. Step 5: Solve for x
    x = 406,635,044.82/25,442.96
  6. Step 6: Final answer
    x = 15,982.22

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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.