Home / 25,548.48-38,324.64-7,080

Finding the Fourth Proportional to 25,548.48, 38,324.64 and 7,080

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Solution

The fourth proportional to 25,548.48, 38,324.64 and 7,080 is: 10,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,548.48 : 38,324.64 = 7,080 : x
  2. Step 2: Convert to fraction form
    25,548.48/38,324.64 = 7,080/x
  3. Step 3: Cross multiply
    25,548.48x = 38,324.64 × 7,080
  4. Step 4: Simplify right side
    25,548.48x = 271,338,451.20
  5. Step 5: Solve for x
    x = 271,338,451.20/25,548.48
  6. Step 6: Final answer
    x = 10,620.53

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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.