Home / 16,759.43-25,129.53-6,890.57

Finding the Fourth Proportional to 16,759.43, 25,129.53 and 6,890.57

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Solution

The fourth proportional to 16,759.43, 25,129.53 and 6,890.57 is: 10,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,759.43 : 25,129.53 = 6,890.57 : x
  2. Step 2: Convert to fraction form
    16,759.43/25,129.53 = 6,890.57/x
  3. Step 3: Cross multiply
    16,759.43x = 25,129.53 × 6,890.57
  4. Step 4: Simplify right side
    16,759.43x = 173,156,785.53
  5. Step 5: Solve for x
    x = 173,156,785.53/16,759.43
  6. Step 6: Final answer
    x = 10,331.90

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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.