Home / 13,031.25-19,545.49-3,671.02

Finding the Fourth Proportional to 13,031.25, 19,545.49 and 3,671.02

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Solution

The fourth proportional to 13,031.25, 19,545.49 and 3,671.02 is: 5,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.25 : 19,545.49 = 3,671.02 : x
  2. Step 2: Convert to fraction form
    13,031.25/19,545.49 = 3,671.02/x
  3. Step 3: Cross multiply
    13,031.25x = 19,545.49 × 3,671.02
  4. Step 4: Simplify right side
    13,031.25x = 71,751,884.70
  5. Step 5: Solve for x
    x = 71,751,884.70/13,031.25
  6. Step 6: Final answer
    x = 5,506.14

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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.