Home / 13,913.46-19,199.70-7,625.88

Finding the Fourth Proportional to 13,913.46, 19,199.70 and 7,625.88

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Solution

The fourth proportional to 13,913.46, 19,199.70 and 7,625.88 is: 10,523.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.46 : 19,199.70 = 7,625.88 : x
  2. Step 2: Convert to fraction form
    13,913.46/19,199.70 = 7,625.88/x
  3. Step 3: Cross multiply
    13,913.46x = 19,199.70 × 7,625.88
  4. Step 4: Simplify right side
    13,913.46x = 146,414,608.24
  5. Step 5: Solve for x
    x = 146,414,608.24/13,913.46
  6. Step 6: Final answer
    x = 10,523.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.