Home / 18,076.40-27,110.16-4,928.84

Finding the Fourth Proportional to 18,076.40, 27,110.16 and 4,928.84

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Solution

The fourth proportional to 18,076.40, 27,110.16 and 4,928.84 is: 7,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.40 : 27,110.16 = 4,928.84 : x
  2. Step 2: Convert to fraction form
    18,076.40/27,110.16 = 4,928.84/x
  3. Step 3: Cross multiply
    18,076.40x = 27,110.16 × 4,928.84
  4. Step 4: Simplify right side
    18,076.40x = 133,621,641.01
  5. Step 5: Solve for x
    x = 133,621,641.01/18,076.40
  6. Step 6: Final answer
    x = 7,392.05

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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.