Home / 26,513.96-39,761.19-7,789.19

Finding the Fourth Proportional to 26,513.96, 39,761.19 and 7,789.19

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Solution

The fourth proportional to 26,513.96, 39,761.19 and 7,789.19 is: 11,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,513.96 : 39,761.19 = 7,789.19 : x
  2. Step 2: Convert to fraction form
    26,513.96/39,761.19 = 7,789.19/x
  3. Step 3: Cross multiply
    26,513.96x = 39,761.19 × 7,789.19
  4. Step 4: Simplify right side
    26,513.96x = 309,707,264.73
  5. Step 5: Solve for x
    x = 309,707,264.73/26,513.96
  6. Step 6: Final answer
    x = 11,680.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.