Home / 16,758.78-25,115.49-6,364.86

Finding the Fourth Proportional to 16,758.78, 25,115.49 and 6,364.86

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Solution

The fourth proportional to 16,758.78, 25,115.49 and 6,364.86 is: 9,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.78 : 25,115.49 = 6,364.86 : x
  2. Step 2: Convert to fraction form
    16,758.78/25,115.49 = 6,364.86/x
  3. Step 3: Cross multiply
    16,758.78x = 25,115.49 × 6,364.86
  4. Step 4: Simplify right side
    16,758.78x = 159,856,577.68
  5. Step 5: Solve for x
    x = 159,856,577.68/16,758.78
  6. Step 6: Final answer
    x = 9,538.68

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1.5x scale

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.