Home / 13,981.14-20,972.37-4,622.00

Finding the Fourth Proportional to 13,981.14, 20,972.37 and 4,622.00

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Solution

The fourth proportional to 13,981.14, 20,972.37 and 4,622.00 is: 6,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.14 : 20,972.37 = 4,622.00 : x
  2. Step 2: Convert to fraction form
    13,981.14/20,972.37 = 4,622.00/x
  3. Step 3: Cross multiply
    13,981.14x = 20,972.37 × 4,622.00
  4. Step 4: Simplify right side
    13,981.14x = 96,934,189.28
  5. Step 5: Solve for x
    x = 96,934,189.28/13,981.14
  6. Step 6: Final answer
    x = 6,933.21

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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.