Home / 13,470.98-20,207.82-3,611.24

Finding the Fourth Proportional to 13,470.98, 20,207.82 and 3,611.24

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Solution

The fourth proportional to 13,470.98, 20,207.82 and 3,611.24 is: 5,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.98 : 20,207.82 = 3,611.24 : x
  2. Step 2: Convert to fraction form
    13,470.98/20,207.82 = 3,611.24/x
  3. Step 3: Cross multiply
    13,470.98x = 20,207.82 × 3,611.24
  4. Step 4: Simplify right side
    13,470.98x = 72,975,287.90
  5. Step 5: Solve for x
    x = 72,975,287.90/13,470.98
  6. Step 6: Final answer
    x = 5,417.22

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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.