Home / 15,515.82-23,274.81-5,134.86

Finding the Fourth Proportional to 15,515.82, 23,274.81 and 5,134.86

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Solution

The fourth proportional to 15,515.82, 23,274.81 and 5,134.86 is: 7,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.82 : 23,274.81 = 5,134.86 : x
  2. Step 2: Convert to fraction form
    15,515.82/23,274.81 = 5,134.86/x
  3. Step 3: Cross multiply
    15,515.82x = 23,274.81 × 5,134.86
  4. Step 4: Simplify right side
    15,515.82x = 119,512,890.88
  5. Step 5: Solve for x
    x = 119,512,890.88/15,515.82
  6. Step 6: Final answer
    x = 7,702.65

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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.