Home / 19,433.31-26,753.11-18,540.62

Finding the Fourth Proportional to 19,433.31, 26,753.11 and 18,540.62

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Solution

The fourth proportional to 19,433.31, 26,753.11 and 18,540.62 is: 25,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.31 : 26,753.11 = 18,540.62 : x
  2. Step 2: Convert to fraction form
    19,433.31/26,753.11 = 18,540.62/x
  3. Step 3: Cross multiply
    19,433.31x = 26,753.11 × 18,540.62
  4. Step 4: Simplify right side
    19,433.31x = 496,019,246.33
  5. Step 5: Solve for x
    x = 496,019,246.33/19,433.31
  6. Step 6: Final answer
    x = 25,524.18

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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.