Home / 18,534.01-27,768.48-15,433.96

Finding the Fourth Proportional to 18,534.01, 27,768.48 and 15,433.96

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Solution

The fourth proportional to 18,534.01, 27,768.48 and 15,433.96 is: 23,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.01 : 27,768.48 = 15,433.96 : x
  2. Step 2: Convert to fraction form
    18,534.01/27,768.48 = 15,433.96/x
  3. Step 3: Cross multiply
    18,534.01x = 27,768.48 × 15,433.96
  4. Step 4: Simplify right side
    18,534.01x = 428,577,609.58
  5. Step 5: Solve for x
    x = 428,577,609.58/18,534.01
  6. Step 6: Final answer
    x = 23,123.85

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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.