Home / 16,788.72-25,189.29-6,928.86

Finding the Fourth Proportional to 16,788.72, 25,189.29 and 6,928.86

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Solution

The fourth proportional to 16,788.72, 25,189.29 and 6,928.86 is: 10,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.72 : 25,189.29 = 6,928.86 : x
  2. Step 2: Convert to fraction form
    16,788.72/25,189.29 = 6,928.86/x
  3. Step 3: Cross multiply
    16,788.72x = 25,189.29 × 6,928.86
  4. Step 4: Simplify right side
    16,788.72x = 174,533,063.91
  5. Step 5: Solve for x
    x = 174,533,063.91/16,788.72
  6. Step 6: Final answer
    x = 10,395.85

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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.