Home / 17,961.60-24,795.68-13,919.30

Finding the Fourth Proportional to 17,961.60, 24,795.68 and 13,919.30

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Solution

The fourth proportional to 17,961.60, 24,795.68 and 13,919.30 is: 19,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.60 : 24,795.68 = 13,919.30 : x
  2. Step 2: Convert to fraction form
    17,961.60/24,795.68 = 13,919.30/x
  3. Step 3: Cross multiply
    17,961.60x = 24,795.68 × 13,919.30
  4. Step 4: Simplify right side
    17,961.60x = 345,138,508.62
  5. Step 5: Solve for x
    x = 345,138,508.62/17,961.60
  6. Step 6: Final answer
    x = 19,215.35

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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.