Home / 17,149.86-25,703.60-10,122.75

Finding the Fourth Proportional to 17,149.86, 25,703.60 and 10,122.75

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Solution

The fourth proportional to 17,149.86, 25,703.60 and 10,122.75 is: 15,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.86 : 25,703.60 = 10,122.75 : x
  2. Step 2: Convert to fraction form
    17,149.86/25,703.60 = 10,122.75/x
  3. Step 3: Cross multiply
    17,149.86x = 25,703.60 × 10,122.75
  4. Step 4: Simplify right side
    17,149.86x = 260,191,066.29
  5. Step 5: Solve for x
    x = 260,191,066.29/17,149.86
  6. Step 6: Final answer
    x = 15,171.61

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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.