Home / 14,640.38-20,200.22-8,673.52

Finding the Fourth Proportional to 14,640.38, 20,200.22 and 8,673.52

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Solution

The fourth proportional to 14,640.38, 20,200.22 and 8,673.52 is: 11,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.38 : 20,200.22 = 8,673.52 : x
  2. Step 2: Convert to fraction form
    14,640.38/20,200.22 = 8,673.52/x
  3. Step 3: Cross multiply
    14,640.38x = 20,200.22 × 8,673.52
  4. Step 4: Simplify right side
    14,640.38x = 175,207,012.17
  5. Step 5: Solve for x
    x = 175,207,012.17/14,640.38
  6. Step 6: Final answer
    x = 11,967.38

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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.