Home / 13,750.20-20,625.62-3,362.04

Finding the Fourth Proportional to 13,750.20, 20,625.62 and 3,362.04

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Solution

The fourth proportional to 13,750.20, 20,625.62 and 3,362.04 is: 5,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.20 : 20,625.62 = 3,362.04 : x
  2. Step 2: Convert to fraction form
    13,750.20/20,625.62 = 3,362.04/x
  3. Step 3: Cross multiply
    13,750.20x = 20,625.62 × 3,362.04
  4. Step 4: Simplify right side
    13,750.20x = 69,344,159.46
  5. Step 5: Solve for x
    x = 69,344,159.46/13,750.20
  6. Step 6: Final answer
    x = 5,043.14

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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.