Home / 13,132.15-19,695.22-3,772.09

Finding the Fourth Proportional to 13,132.15, 19,695.22 and 3,772.09

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Solution

The fourth proportional to 13,132.15, 19,695.22 and 3,772.09 is: 5,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.15 : 19,695.22 = 3,772.09 : x
  2. Step 2: Convert to fraction form
    13,132.15/19,695.22 = 3,772.09/x
  3. Step 3: Cross multiply
    13,132.15x = 19,695.22 × 3,772.09
  4. Step 4: Simplify right side
    13,132.15x = 74,292,142.41
  5. Step 5: Solve for x
    x = 74,292,142.41/13,132.15
  6. Step 6: Final answer
    x = 5,657.27

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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.