Home / 18,272.52-27,353.25-11,703.29

Finding the Fourth Proportional to 18,272.52, 27,353.25 and 11,703.29

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Solution

The fourth proportional to 18,272.52, 27,353.25 and 11,703.29 is: 17,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.52 : 27,353.25 = 11,703.29 : x
  2. Step 2: Convert to fraction form
    18,272.52/27,353.25 = 11,703.29/x
  3. Step 3: Cross multiply
    18,272.52x = 27,353.25 × 11,703.29
  4. Step 4: Simplify right side
    18,272.52x = 320,122,880.43
  5. Step 5: Solve for x
    x = 320,122,880.43/18,272.52
  6. Step 6: Final answer
    x = 17,519.36

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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.