Home / 13,153.76-19,733.64-3,793.86

Finding the Fourth Proportional to 13,153.76, 19,733.64 and 3,793.86

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Solution

The fourth proportional to 13,153.76, 19,733.64 and 3,793.86 is: 5,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.76 : 19,733.64 = 3,793.86 : x
  2. Step 2: Convert to fraction form
    13,153.76/19,733.64 = 3,793.86/x
  3. Step 3: Cross multiply
    13,153.76x = 19,733.64 × 3,793.86
  4. Step 4: Simplify right side
    13,153.76x = 74,866,667.45
  5. Step 5: Solve for x
    x = 74,866,667.45/13,153.76
  6. Step 6: Final answer
    x = 5,691.66

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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.