Home / 15,328.15-22,997.69-8,759.86

Finding the Fourth Proportional to 15,328.15, 22,997.69 and 8,759.86

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Solution

The fourth proportional to 15,328.15, 22,997.69 and 8,759.86 is: 13,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.15 : 22,997.69 = 8,759.86 : x
  2. Step 2: Convert to fraction form
    15,328.15/22,997.69 = 8,759.86/x
  3. Step 3: Cross multiply
    15,328.15x = 22,997.69 × 8,759.86
  4. Step 4: Simplify right side
    15,328.15x = 201,456,544.72
  5. Step 5: Solve for x
    x = 201,456,544.72/15,328.15
  6. Step 6: Final answer
    x = 13,142.91

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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.