Home / 26,433.30-39,639.68-13,276.48

Finding the Fourth Proportional to 26,433.30, 39,639.68 and 13,276.48

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Solution

The fourth proportional to 26,433.30, 39,639.68 and 13,276.48 is: 19,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433.30 : 39,639.68 = 13,276.48 : x
  2. Step 2: Convert to fraction form
    26,433.30/39,639.68 = 13,276.48/x
  3. Step 3: Cross multiply
    26,433.30x = 39,639.68 × 13,276.48
  4. Step 4: Simplify right side
    26,433.30x = 526,275,418.73
  5. Step 5: Solve for x
    x = 526,275,418.73/26,433.30
  6. Step 6: Final answer
    x = 19,909.56

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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.