Home / 15,201.27-22,801.64-4,812.75

Finding the Fourth Proportional to 15,201.27, 22,801.64 and 4,812.75

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Solution

The fourth proportional to 15,201.27, 22,801.64 and 4,812.75 is: 7,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201.27 : 22,801.64 = 4,812.75 : x
  2. Step 2: Convert to fraction form
    15,201.27/22,801.64 = 4,812.75/x
  3. Step 3: Cross multiply
    15,201.27x = 22,801.64 × 4,812.75
  4. Step 4: Simplify right side
    15,201.27x = 109,738,568.85
  5. Step 5: Solve for x
    x = 109,738,568.85/15,201.27
  6. Step 6: Final answer
    x = 7,219.04

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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.