Home / 13,552.52-20,328.54-3,691.64

Finding the Fourth Proportional to 13,552.52, 20,328.54 and 3,691.64

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Solution

The fourth proportional to 13,552.52, 20,328.54 and 3,691.64 is: 5,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.52 : 20,328.54 = 3,691.64 : x
  2. Step 2: Convert to fraction form
    13,552.52/20,328.54 = 3,691.64/x
  3. Step 3: Cross multiply
    13,552.52x = 20,328.54 × 3,691.64
  4. Step 4: Simplify right side
    13,552.52x = 75,045,651.41
  5. Step 5: Solve for x
    x = 75,045,651.41/13,552.52
  6. Step 6: Final answer
    x = 5,537.39

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1.5x scale

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.