Home / 18,076.47-27,114.71-4,928.55

Finding the Fourth Proportional to 18,076.47, 27,114.71 and 4,928.55

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Solution

The fourth proportional to 18,076.47, 27,114.71 and 4,928.55 is: 7,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.47 : 27,114.71 = 4,928.55 : x
  2. Step 2: Convert to fraction form
    18,076.47/27,114.71 = 4,928.55/x
  3. Step 3: Cross multiply
    18,076.47x = 27,114.71 × 4,928.55
  4. Step 4: Simplify right side
    18,076.47x = 133,636,179.33
  5. Step 5: Solve for x
    x = 133,636,179.33/18,076.47
  6. Step 6: Final answer
    x = 7,392.83

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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.