Home / 20,893.74-28,833.83-11,462.26

Finding the Fourth Proportional to 20,893.74, 28,833.83 and 11,462.26

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Solution

The fourth proportional to 20,893.74, 28,833.83 and 11,462.26 is: 15,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.74 : 28,833.83 = 11,462.26 : x
  2. Step 2: Convert to fraction form
    20,893.74/28,833.83 = 11,462.26/x
  3. Step 3: Cross multiply
    20,893.74x = 28,833.83 × 11,462.26
  4. Step 4: Simplify right side
    20,893.74x = 330,500,856.26
  5. Step 5: Solve for x
    x = 330,500,856.26/20,893.74
  6. Step 6: Final answer
    x = 15,818.18

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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.