Home / 17,731.08-26,601.21-6,638.64

Finding the Fourth Proportional to 17,731.08, 26,601.21 and 6,638.64

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Solution

The fourth proportional to 17,731.08, 26,601.21 and 6,638.64 is: 9,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.08 : 26,601.21 = 6,638.64 : x
  2. Step 2: Convert to fraction form
    17,731.08/26,601.21 = 6,638.64/x
  3. Step 3: Cross multiply
    17,731.08x = 26,601.21 × 6,638.64
  4. Step 4: Simplify right side
    17,731.08x = 176,595,856.75
  5. Step 5: Solve for x
    x = 176,595,856.75/17,731.08
  6. Step 6: Final answer
    x = 9,959.68

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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.