Home / 13,961.76-20,946.24-4,101.36

Finding the Fourth Proportional to 13,961.76, 20,946.24 and 4,101.36

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Solution

The fourth proportional to 13,961.76, 20,946.24 and 4,101.36 is: 6,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.76 : 20,946.24 = 4,101.36 : x
  2. Step 2: Convert to fraction form
    13,961.76/20,946.24 = 4,101.36/x
  3. Step 3: Cross multiply
    13,961.76x = 20,946.24 × 4,101.36
  4. Step 4: Simplify right side
    13,961.76x = 85,908,070.89
  5. Step 5: Solve for x
    x = 85,908,070.89/13,961.76
  6. Step 6: Final answer
    x = 6,153.10

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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.