Home / 20,076.57-30,118.94-6,927.23

Finding the Fourth Proportional to 20,076.57, 30,118.94 and 6,927.23

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Solution

The fourth proportional to 20,076.57, 30,118.94 and 6,927.23 is: 10,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.57 : 30,118.94 = 6,927.23 : x
  2. Step 2: Convert to fraction form
    20,076.57/30,118.94 = 6,927.23/x
  3. Step 3: Cross multiply
    20,076.57x = 30,118.94 × 6,927.23
  4. Step 4: Simplify right side
    20,076.57x = 208,640,639.51
  5. Step 5: Solve for x
    x = 208,640,639.51/20,076.57
  6. Step 6: Final answer
    x = 10,392.25

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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.