Home / 16,122.24-22,245.84-9,836.64

Finding the Fourth Proportional to 16,122.24, 22,245.84 and 9,836.64

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Solution

The fourth proportional to 16,122.24, 22,245.84 and 9,836.64 is: 13,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.24 : 22,245.84 = 9,836.64 : x
  2. Step 2: Convert to fraction form
    16,122.24/22,245.84 = 9,836.64/x
  3. Step 3: Cross multiply
    16,122.24x = 22,245.84 × 9,836.64
  4. Step 4: Simplify right side
    16,122.24x = 218,824,319.58
  5. Step 5: Solve for x
    x = 218,824,319.58/16,122.24
  6. Step 6: Final answer
    x = 13,572.82

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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.