Home / 14,119.64-21,179.09-3,731.48

Finding the Fourth Proportional to 14,119.64, 21,179.09 and 3,731.48

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Solution

The fourth proportional to 14,119.64, 21,179.09 and 3,731.48 is: 5,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.64 : 21,179.09 = 3,731.48 : x
  2. Step 2: Convert to fraction form
    14,119.64/21,179.09 = 3,731.48/x
  3. Step 3: Cross multiply
    14,119.64x = 21,179.09 × 3,731.48
  4. Step 4: Simplify right side
    14,119.64x = 79,029,254.19
  5. Step 5: Solve for x
    x = 79,029,254.19/14,119.64
  6. Step 6: Final answer
    x = 5,597.12

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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.