Home / 18,474.14-25,503.54-11,404.46

Finding the Fourth Proportional to 18,474.14, 25,503.54 and 11,404.46

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Solution

The fourth proportional to 18,474.14, 25,503.54 and 11,404.46 is: 15,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.14 : 25,503.54 = 11,404.46 : x
  2. Step 2: Convert to fraction form
    18,474.14/25,503.54 = 11,404.46/x
  3. Step 3: Cross multiply
    18,474.14x = 25,503.54 × 11,404.46
  4. Step 4: Simplify right side
    18,474.14x = 290,854,101.79
  5. Step 5: Solve for x
    x = 290,854,101.79/18,474.14
  6. Step 6: Final answer
    x = 15,743.85

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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.