Home / 16,193.80-22,348.20-9,820.60

Finding the Fourth Proportional to 16,193.80, 22,348.20 and 9,820.60

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Solution

The fourth proportional to 16,193.80, 22,348.20 and 9,820.60 is: 13,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,193.80 : 22,348.20 = 9,820.60 : x
  2. Step 2: Convert to fraction form
    16,193.80/22,348.20 = 9,820.60/x
  3. Step 3: Cross multiply
    16,193.80x = 22,348.20 × 9,820.60
  4. Step 4: Simplify right side
    16,193.80x = 219,472,732.92
  5. Step 5: Solve for x
    x = 219,472,732.92/16,193.80
  6. Step 6: Final answer
    x = 13,552.89

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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.