Home / 19,654.94-27,122.45-11,157.26

Finding the Fourth Proportional to 19,654.94, 27,122.45 and 11,157.26

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Solution

The fourth proportional to 19,654.94, 27,122.45 and 11,157.26 is: 15,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.94 : 27,122.45 = 11,157.26 : x
  2. Step 2: Convert to fraction form
    19,654.94/27,122.45 = 11,157.26/x
  3. Step 3: Cross multiply
    19,654.94x = 27,122.45 × 11,157.26
  4. Step 4: Simplify right side
    19,654.94x = 302,612,035.09
  5. Step 5: Solve for x
    x = 302,612,035.09/19,654.94
  6. Step 6: Final answer
    x = 15,396.24

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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.