Home / 16,843.04-23,243.56-9,289.68

Finding the Fourth Proportional to 16,843.04, 23,243.56 and 9,289.68

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Solution

The fourth proportional to 16,843.04, 23,243.56 and 9,289.68 is: 12,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,843.04 : 23,243.56 = 9,289.68 : x
  2. Step 2: Convert to fraction form
    16,843.04/23,243.56 = 9,289.68/x
  3. Step 3: Cross multiply
    16,843.04x = 23,243.56 × 9,289.68
  4. Step 4: Simplify right side
    16,843.04x = 215,925,234.46
  5. Step 5: Solve for x
    x = 215,925,234.46/16,843.04
  6. Step 6: Final answer
    x = 12,819.85

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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.