Home / 19,173.90-26,451.44-11,212.61

Finding the Fourth Proportional to 19,173.90, 26,451.44 and 11,212.61

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Solution

The fourth proportional to 19,173.90, 26,451.44 and 11,212.61 is: 15,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.90 : 26,451.44 = 11,212.61 : x
  2. Step 2: Convert to fraction form
    19,173.90/26,451.44 = 11,212.61/x
  3. Step 3: Cross multiply
    19,173.90x = 26,451.44 × 11,212.61
  4. Step 4: Simplify right side
    19,173.90x = 296,589,558.47
  5. Step 5: Solve for x
    x = 296,589,558.47/19,173.90
  6. Step 6: Final answer
    x = 15,468.40

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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.