Home / 18,171.12-25,092.54-11,468.64

Finding the Fourth Proportional to 18,171.12, 25,092.54 and 11,468.64

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Solution

The fourth proportional to 18,171.12, 25,092.54 and 11,468.64 is: 15,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.12 : 25,092.54 = 11,468.64 : x
  2. Step 2: Convert to fraction form
    18,171.12/25,092.54 = 11,468.64/x
  3. Step 3: Cross multiply
    18,171.12x = 25,092.54 × 11,468.64
  4. Step 4: Simplify right side
    18,171.12x = 287,777,307.95
  5. Step 5: Solve for x
    x = 287,777,307.95/18,171.12
  6. Step 6: Final answer
    x = 15,837.07

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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.