Home / 16,981.20-25,475.44-5,133.96

Finding the Fourth Proportional to 16,981.20, 25,475.44 and 5,133.96

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Solution

The fourth proportional to 16,981.20, 25,475.44 and 5,133.96 is: 7,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.20 : 25,475.44 = 5,133.96 : x
  2. Step 2: Convert to fraction form
    16,981.20/25,475.44 = 5,133.96/x
  3. Step 3: Cross multiply
    16,981.20x = 25,475.44 × 5,133.96
  4. Step 4: Simplify right side
    16,981.20x = 130,789,889.94
  5. Step 5: Solve for x
    x = 130,789,889.94/16,981.20
  6. Step 6: Final answer
    x = 7,702.04

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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.