Home / 16,187.13-22,336.71-11,940.51

Finding the Fourth Proportional to 16,187.13, 22,336.71 and 11,940.51

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Solution

The fourth proportional to 16,187.13, 22,336.71 and 11,940.51 is: 16,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.13 : 22,336.71 = 11,940.51 : x
  2. Step 2: Convert to fraction form
    16,187.13/22,336.71 = 11,940.51/x
  3. Step 3: Cross multiply
    16,187.13x = 22,336.71 × 11,940.51
  4. Step 4: Simplify right side
    16,187.13x = 266,711,709.12
  5. Step 5: Solve for x
    x = 266,711,709.12/16,187.13
  6. Step 6: Final answer
    x = 16,476.78

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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.