Home / 13,650.57-20,476.79-4,641.02

Finding the Fourth Proportional to 13,650.57, 20,476.79 and 4,641.02

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Solution

The fourth proportional to 13,650.57, 20,476.79 and 4,641.02 is: 6,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.57 : 20,476.79 = 4,641.02 : x
  2. Step 2: Convert to fraction form
    13,650.57/20,476.79 = 4,641.02/x
  3. Step 3: Cross multiply
    13,650.57x = 20,476.79 × 4,641.02
  4. Step 4: Simplify right side
    13,650.57x = 95,033,177.93
  5. Step 5: Solve for x
    x = 95,033,177.93/13,650.57
  6. Step 6: Final answer
    x = 6,961.84

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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.