Home / 18,494.62-25,515.40-11,779.04

Finding the Fourth Proportional to 18,494.62, 25,515.40 and 11,779.04

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Solution

The fourth proportional to 18,494.62, 25,515.40 and 11,779.04 is: 16,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.62 : 25,515.40 = 11,779.04 : x
  2. Step 2: Convert to fraction form
    18,494.62/25,515.40 = 11,779.04/x
  3. Step 3: Cross multiply
    18,494.62x = 25,515.40 × 11,779.04
  4. Step 4: Simplify right side
    18,494.62x = 300,546,917.22
  5. Step 5: Solve for x
    x = 300,546,917.22/18,494.62
  6. Step 6: Final answer
    x = 16,250.51

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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.