Home / 14,982.80-22,474.20-5,121.20

Finding the Fourth Proportional to 14,982.80, 22,474.20 and 5,121.20

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Solution

The fourth proportional to 14,982.80, 22,474.20 and 5,121.20 is: 7,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.80 : 22,474.20 = 5,121.20 : x
  2. Step 2: Convert to fraction form
    14,982.80/22,474.20 = 5,121.20/x
  3. Step 3: Cross multiply
    14,982.80x = 22,474.20 × 5,121.20
  4. Step 4: Simplify right side
    14,982.80x = 115,094,873.04
  5. Step 5: Solve for x
    x = 115,094,873.04/14,982.80
  6. Step 6: Final answer
    x = 7,681.80

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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.