Home / 16,961.08-25,445.96-5,274.40

Finding the Fourth Proportional to 16,961.08, 25,445.96 and 5,274.40

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Solution

The fourth proportional to 16,961.08, 25,445.96 and 5,274.40 is: 7,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.08 : 25,445.96 = 5,274.40 : x
  2. Step 2: Convert to fraction form
    16,961.08/25,445.96 = 5,274.40/x
  3. Step 3: Cross multiply
    16,961.08x = 25,445.96 × 5,274.40
  4. Step 4: Simplify right side
    16,961.08x = 134,212,171.42
  5. Step 5: Solve for x
    x = 134,212,171.42/16,961.08
  6. Step 6: Final answer
    x = 7,912.95

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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.