Home / 20,127.04-30,183-6,976.24

Finding the Fourth Proportional to 20,127.04, 30,183 and 6,976.24

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Solution

The fourth proportional to 20,127.04, 30,183 and 6,976.24 is: 10,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.04 : 30,183 = 6,976.24 : x
  2. Step 2: Convert to fraction form
    20,127.04/30,183 = 6,976.24/x
  3. Step 3: Cross multiply
    20,127.04x = 30,183 × 6,976.24
  4. Step 4: Simplify right side
    20,127.04x = 210,563,851.92
  5. Step 5: Solve for x
    x = 210,563,851.92/20,127.04
  6. Step 6: Final answer
    x = 10,461.74

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1.5x scale

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.