Home / 19,422.74-29,113.85-13,183.25

Finding the Fourth Proportional to 19,422.74, 29,113.85 and 13,183.25

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Solution

The fourth proportional to 19,422.74, 29,113.85 and 13,183.25 is: 19,761.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.74 : 29,113.85 = 13,183.25 : x
  2. Step 2: Convert to fraction form
    19,422.74/29,113.85 = 13,183.25/x
  3. Step 3: Cross multiply
    19,422.74x = 29,113.85 × 13,183.25
  4. Step 4: Simplify right side
    19,422.74x = 383,815,050.40
  5. Step 5: Solve for x
    x = 383,815,050.40/19,422.74
  6. Step 6: Final answer
    x = 19,761.12

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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.