Home / 15,419.88-23,133.60-5,031.36

Finding the Fourth Proportional to 15,419.88, 23,133.60 and 5,031.36

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Solution

The fourth proportional to 15,419.88, 23,133.60 and 5,031.36 is: 7,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.88 : 23,133.60 = 5,031.36 : x
  2. Step 2: Convert to fraction form
    15,419.88/23,133.60 = 5,031.36/x
  3. Step 3: Cross multiply
    15,419.88x = 23,133.60 × 5,031.36
  4. Step 4: Simplify right side
    15,419.88x = 116,393,469.70
  5. Step 5: Solve for x
    x = 116,393,469.70/15,419.88
  6. Step 6: Final answer
    x = 7,548.27

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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.