Home / 18,583.28-27,873.41-5,255.75

Finding the Fourth Proportional to 18,583.28, 27,873.41 and 5,255.75

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Solution

The fourth proportional to 18,583.28, 27,873.41 and 5,255.75 is: 7,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.28 : 27,873.41 = 5,255.75 : x
  2. Step 2: Convert to fraction form
    18,583.28/27,873.41 = 5,255.75/x
  3. Step 3: Cross multiply
    18,583.28x = 27,873.41 × 5,255.75
  4. Step 4: Simplify right side
    18,583.28x = 146,495,674.61
  5. Step 5: Solve for x
    x = 146,495,674.61/18,583.28
  6. Step 6: Final answer
    x = 7,883.20

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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.