Home / 13,031.27-19,548.05-3,671.36

Finding the Fourth Proportional to 13,031.27, 19,548.05 and 3,671.36

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Solution

The fourth proportional to 13,031.27, 19,548.05 and 3,671.36 is: 5,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.27 : 19,548.05 = 3,671.36 : x
  2. Step 2: Convert to fraction form
    13,031.27/19,548.05 = 3,671.36/x
  3. Step 3: Cross multiply
    13,031.27x = 19,548.05 × 3,671.36
  4. Step 4: Simplify right side
    13,031.27x = 71,767,959.36
  5. Step 5: Solve for x
    x = 71,767,959.36/13,031.27
  6. Step 6: Final answer
    x = 5,507.37

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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.