Home / 20,733.67-28,616.90-12,232.62

Finding the Fourth Proportional to 20,733.67, 28,616.90 and 12,232.62

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Solution

The fourth proportional to 20,733.67, 28,616.90 and 12,232.62 is: 16,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.67 : 28,616.90 = 12,232.62 : x
  2. Step 2: Convert to fraction form
    20,733.67/28,616.90 = 12,232.62/x
  3. Step 3: Cross multiply
    20,733.67x = 28,616.90 × 12,232.62
  4. Step 4: Simplify right side
    20,733.67x = 350,059,602.11
  5. Step 5: Solve for x
    x = 350,059,602.11/20,733.67
  6. Step 6: Final answer
    x = 16,883.63

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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.