Home / 13,961.60-20,943.41-5,196.50

Finding the Fourth Proportional to 13,961.60, 20,943.41 and 5,196.50

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Solution

The fourth proportional to 13,961.60, 20,943.41 and 5,196.50 is: 7,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.60 : 20,943.41 = 5,196.50 : x
  2. Step 2: Convert to fraction form
    13,961.60/20,943.41 = 5,196.50/x
  3. Step 3: Cross multiply
    13,961.60x = 20,943.41 × 5,196.50
  4. Step 4: Simplify right side
    13,961.60x = 108,832,404.08
  5. Step 5: Solve for x
    x = 108,832,404.08/13,961.60
  6. Step 6: Final answer
    x = 7,795.13

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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.