Home / 20,684.92-28,544.58-11,733.24

Finding the Fourth Proportional to 20,684.92, 28,544.58 and 11,733.24

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Solution

The fourth proportional to 20,684.92, 28,544.58 and 11,733.24 is: 16,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684.92 : 28,544.58 = 11,733.24 : x
  2. Step 2: Convert to fraction form
    20,684.92/28,544.58 = 11,733.24/x
  3. Step 3: Cross multiply
    20,684.92x = 28,544.58 × 11,733.24
  4. Step 4: Simplify right side
    20,684.92x = 334,920,407.84
  5. Step 5: Solve for x
    x = 334,920,407.84/20,684.92
  6. Step 6: Final answer
    x = 16,191.53

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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.