Home / 20,893.46-28,832.89-11,462.62

Finding the Fourth Proportional to 20,893.46, 28,832.89 and 11,462.62

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Solution

The fourth proportional to 20,893.46, 28,832.89 and 11,462.62 is: 15,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.46 : 28,832.89 = 11,462.62 : x
  2. Step 2: Convert to fraction form
    20,893.46/28,832.89 = 11,462.62/x
  3. Step 3: Cross multiply
    20,893.46x = 28,832.89 × 11,462.62
  4. Step 4: Simplify right side
    20,893.46x = 330,500,461.57
  5. Step 5: Solve for x
    x = 330,500,461.57/20,893.46
  6. Step 6: Final answer
    x = 15,818.37

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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.