Home / 17,150.12-25,684.86-8,357.48

Finding the Fourth Proportional to 17,150.12, 25,684.86 and 8,357.48

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Solution

The fourth proportional to 17,150.12, 25,684.86 and 8,357.48 is: 12,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,150.12 : 25,684.86 = 8,357.48 : x
  2. Step 2: Convert to fraction form
    17,150.12/25,684.86 = 8,357.48/x
  3. Step 3: Cross multiply
    17,150.12x = 25,684.86 × 8,357.48
  4. Step 4: Simplify right side
    17,150.12x = 214,660,703.75
  5. Step 5: Solve for x
    x = 214,660,703.75/17,150.12
  6. Step 6: Final answer
    x = 12,516.57

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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.