Home / 18,546.72-25,591.59-11,837.90

Finding the Fourth Proportional to 18,546.72, 25,591.59 and 11,837.90

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Solution

The fourth proportional to 18,546.72, 25,591.59 and 11,837.90 is: 16,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.72 : 25,591.59 = 11,837.90 : x
  2. Step 2: Convert to fraction form
    18,546.72/25,591.59 = 11,837.90/x
  3. Step 3: Cross multiply
    18,546.72x = 25,591.59 × 11,837.90
  4. Step 4: Simplify right side
    18,546.72x = 302,950,555.30
  5. Step 5: Solve for x
    x = 302,950,555.30/18,546.72
  6. Step 6: Final answer
    x = 16,334.45

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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.