Home / 16,921.78-25,385.10-5,232.27

Finding the Fourth Proportional to 16,921.78, 25,385.10 and 5,232.27

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Solution

The fourth proportional to 16,921.78, 25,385.10 and 5,232.27 is: 7,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.78 : 25,385.10 = 5,232.27 : x
  2. Step 2: Convert to fraction form
    16,921.78/25,385.10 = 5,232.27/x
  3. Step 3: Cross multiply
    16,921.78x = 25,385.10 × 5,232.27
  4. Step 4: Simplify right side
    16,921.78x = 132,821,697.18
  5. Step 5: Solve for x
    x = 132,821,697.18/16,921.78
  6. Step 6: Final answer
    x = 7,849.16

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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.