Home / 25,644.96-38,366.22-19,422.90

Finding the Fourth Proportional to 25,644.96, 38,366.22 and 19,422.90

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Solution

The fourth proportional to 25,644.96, 38,366.22 and 19,422.90 is: 29,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,644.96 : 38,366.22 = 19,422.90 : x
  2. Step 2: Convert to fraction form
    25,644.96/38,366.22 = 19,422.90/x
  3. Step 3: Cross multiply
    25,644.96x = 38,366.22 × 19,422.90
  4. Step 4: Simplify right side
    25,644.96x = 745,183,254.44
  5. Step 5: Solve for x
    x = 745,183,254.44/25,644.96
  6. Step 6: Final answer
    x = 29,057.69

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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.