Home / 18,524.40-25,537.32-11,446.80

Finding the Fourth Proportional to 18,524.40, 25,537.32 and 11,446.80

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Solution

The fourth proportional to 18,524.40, 25,537.32 and 11,446.80 is: 15,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.40 : 25,537.32 = 11,446.80 : x
  2. Step 2: Convert to fraction form
    18,524.40/25,537.32 = 11,446.80/x
  3. Step 3: Cross multiply
    18,524.40x = 25,537.32 × 11,446.80
  4. Step 4: Simplify right side
    18,524.40x = 292,320,594.58
  5. Step 5: Solve for x
    x = 292,320,594.58/18,524.40
  6. Step 6: Final answer
    x = 15,780.30

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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.