Home / 13,958.83-19,260.12-8,295.43

Finding the Fourth Proportional to 13,958.83, 19,260.12 and 8,295.43

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Solution

The fourth proportional to 13,958.83, 19,260.12 and 8,295.43 is: 11,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.83 : 19,260.12 = 8,295.43 : x
  2. Step 2: Convert to fraction form
    13,958.83/19,260.12 = 8,295.43/x
  3. Step 3: Cross multiply
    13,958.83x = 19,260.12 × 8,295.43
  4. Step 4: Simplify right side
    13,958.83x = 159,770,977.25
  5. Step 5: Solve for x
    x = 159,770,977.25/13,958.83
  6. Step 6: Final answer
    x = 11,445.87

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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.