Home / 18,549.48-27,791.61-15,449.34

Finding the Fourth Proportional to 18,549.48, 27,791.61 and 15,449.34

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Solution

The fourth proportional to 18,549.48, 27,791.61 and 15,449.34 is: 23,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.48 : 27,791.61 = 15,449.34 : x
  2. Step 2: Convert to fraction form
    18,549.48/27,791.61 = 15,449.34/x
  3. Step 3: Cross multiply
    18,549.48x = 27,791.61 × 15,449.34
  4. Step 4: Simplify right side
    18,549.48x = 429,362,032.04
  5. Step 5: Solve for x
    x = 429,362,032.04/18,549.48
  6. Step 6: Final answer
    x = 23,146.85

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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.