Home / 14,270.64-21,401.64-3,881.04

Finding the Fourth Proportional to 14,270.64, 21,401.64 and 3,881.04

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Solution

The fourth proportional to 14,270.64, 21,401.64 and 3,881.04 is: 5,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.64 : 21,401.64 = 3,881.04 : x
  2. Step 2: Convert to fraction form
    14,270.64/21,401.64 = 3,881.04/x
  3. Step 3: Cross multiply
    14,270.64x = 21,401.64 × 3,881.04
  4. Step 4: Simplify right side
    14,270.64x = 83,060,620.91
  5. Step 5: Solve for x
    x = 83,060,620.91/14,270.64
  6. Step 6: Final answer
    x = 5,820.39

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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.