Home / 16,091.64-22,209.12-9,803.61

Finding the Fourth Proportional to 16,091.64, 22,209.12 and 9,803.61

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Solution

The fourth proportional to 16,091.64, 22,209.12 and 9,803.61 is: 13,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,091.64 : 22,209.12 = 9,803.61 : x
  2. Step 2: Convert to fraction form
    16,091.64/22,209.12 = 9,803.61/x
  3. Step 3: Cross multiply
    16,091.64x = 22,209.12 × 9,803.61
  4. Step 4: Simplify right side
    16,091.64x = 217,729,550.92
  5. Step 5: Solve for x
    x = 217,729,550.92/16,091.64
  6. Step 6: Final answer
    x = 13,530.60

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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.