Home / 16,116.92-22,234.68-9,828.60

Finding the Fourth Proportional to 16,116.92, 22,234.68 and 9,828.60

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Solution

The fourth proportional to 16,116.92, 22,234.68 and 9,828.60 is: 13,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,116.92 : 22,234.68 = 9,828.60 : x
  2. Step 2: Convert to fraction form
    16,116.92/22,234.68 = 9,828.60/x
  3. Step 3: Cross multiply
    16,116.92x = 22,234.68 × 9,828.60
  4. Step 4: Simplify right side
    16,116.92x = 218,535,775.85
  5. Step 5: Solve for x
    x = 218,535,775.85/16,116.92
  6. Step 6: Final answer
    x = 13,559.40

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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.