Home / 19,433.46-26,826.30-13,149.48

Finding the Fourth Proportional to 19,433.46, 26,826.30 and 13,149.48

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Solution

The fourth proportional to 19,433.46, 26,826.30 and 13,149.48 is: 18,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.46 : 26,826.30 = 13,149.48 : x
  2. Step 2: Convert to fraction form
    19,433.46/26,826.30 = 13,149.48/x
  3. Step 3: Cross multiply
    19,433.46x = 26,826.30 × 13,149.48
  4. Step 4: Simplify right side
    19,433.46x = 352,751,895.32
  5. Step 5: Solve for x
    x = 352,751,895.32/19,433.46
  6. Step 6: Final answer
    x = 18,151.78

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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.