Home / 17,180.80-23,712.96-11,213.44

Finding the Fourth Proportional to 17,180.80, 23,712.96 and 11,213.44

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Solution

The fourth proportional to 17,180.80, 23,712.96 and 11,213.44 is: 15,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.80 : 23,712.96 = 11,213.44 : x
  2. Step 2: Convert to fraction form
    17,180.80/23,712.96 = 11,213.44/x
  3. Step 3: Cross multiply
    17,180.80x = 23,712.96 × 11,213.44
  4. Step 4: Simplify right side
    17,180.80x = 265,903,854.18
  5. Step 5: Solve for x
    x = 265,903,854.18/17,180.80
  6. Step 6: Final answer
    x = 15,476.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.