Home / 16,920.96-23,353.68-11,611.44

Finding the Fourth Proportional to 16,920.96, 23,353.68 and 11,611.44

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Solution

The fourth proportional to 16,920.96, 23,353.68 and 11,611.44 is: 16,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.96 : 23,353.68 = 11,611.44 : x
  2. Step 2: Convert to fraction form
    16,920.96/23,353.68 = 11,611.44/x
  3. Step 3: Cross multiply
    16,920.96x = 23,353.68 × 11,611.44
  4. Step 4: Simplify right side
    16,920.96x = 271,169,854.10
  5. Step 5: Solve for x
    x = 271,169,854.10/16,920.96
  6. Step 6: Final answer
    x = 16,025.68

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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.