Home / 16,118.28-22,245.60-9,834.30

Finding the Fourth Proportional to 16,118.28, 22,245.60 and 9,834.30

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Solution

The fourth proportional to 16,118.28, 22,245.60 and 9,834.30 is: 13,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.28 : 22,245.60 = 9,834.30 : x
  2. Step 2: Convert to fraction form
    16,118.28/22,245.60 = 9,834.30/x
  3. Step 3: Cross multiply
    16,118.28x = 22,245.60 × 9,834.30
  4. Step 4: Simplify right side
    16,118.28x = 218,769,904.08
  5. Step 5: Solve for x
    x = 218,769,904.08/16,118.28
  6. Step 6: Final answer
    x = 13,572.78

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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.