Home / 14,104.32-21,157.54-4,744.36

Finding the Fourth Proportional to 14,104.32, 21,157.54 and 4,744.36

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Solution

The fourth proportional to 14,104.32, 21,157.54 and 4,744.36 is: 7,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.32 : 21,157.54 = 4,744.36 : x
  2. Step 2: Convert to fraction form
    14,104.32/21,157.54 = 4,744.36/x
  3. Step 3: Cross multiply
    14,104.32x = 21,157.54 × 4,744.36
  4. Step 4: Simplify right side
    14,104.32x = 100,378,986.47
  5. Step 5: Solve for x
    x = 100,378,986.47/14,104.32
  6. Step 6: Final answer
    x = 7,116.90

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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.