Home / 15,169.86-22,752.78-5,308.26

Finding the Fourth Proportional to 15,169.86, 22,752.78 and 5,308.26

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Solution

The fourth proportional to 15,169.86, 22,752.78 and 5,308.26 is: 7,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.86 : 22,752.78 = 5,308.26 : x
  2. Step 2: Convert to fraction form
    15,169.86/22,752.78 = 5,308.26/x
  3. Step 3: Cross multiply
    15,169.86x = 22,752.78 × 5,308.26
  4. Step 4: Simplify right side
    15,169.86x = 120,777,671.96
  5. Step 5: Solve for x
    x = 120,777,671.96/15,169.86
  6. Step 6: Final answer
    x = 7,961.69

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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.