Home / 17,156.06-25,725.87-8,380.70

Finding the Fourth Proportional to 17,156.06, 25,725.87 and 8,380.70

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Solution

The fourth proportional to 17,156.06, 25,725.87 and 8,380.70 is: 12,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.06 : 25,725.87 = 8,380.70 : x
  2. Step 2: Convert to fraction form
    17,156.06/25,725.87 = 8,380.70/x
  3. Step 3: Cross multiply
    17,156.06x = 25,725.87 × 8,380.70
  4. Step 4: Simplify right side
    17,156.06x = 215,600,798.71
  5. Step 5: Solve for x
    x = 215,600,798.71/17,156.06
  6. Step 6: Final answer
    x = 12,567.03

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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.