Home / 19,174.15-26,451.78-11,212.86

Finding the Fourth Proportional to 19,174.15, 26,451.78 and 11,212.86

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Solution

The fourth proportional to 19,174.15, 26,451.78 and 11,212.86 is: 15,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.15 : 26,451.78 = 11,212.86 : x
  2. Step 2: Convert to fraction form
    19,174.15/26,451.78 = 11,212.86/x
  3. Step 3: Cross multiply
    19,174.15x = 26,451.78 × 11,212.86
  4. Step 4: Simplify right side
    19,174.15x = 296,600,105.89
  5. Step 5: Solve for x
    x = 296,600,105.89/19,174.15
  6. Step 6: Final answer
    x = 15,468.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.