Home / 16,660.63-22,959.85-11,936.71

Finding the Fourth Proportional to 16,660.63, 22,959.85 and 11,936.71

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Solution

The fourth proportional to 16,660.63, 22,959.85 and 11,936.71 is: 16,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.63 : 22,959.85 = 11,936.71 : x
  2. Step 2: Convert to fraction form
    16,660.63/22,959.85 = 11,936.71/x
  3. Step 3: Cross multiply
    16,660.63x = 22,959.85 × 11,936.71
  4. Step 4: Simplify right side
    16,660.63x = 274,065,071.09
  5. Step 5: Solve for x
    x = 274,065,071.09/16,660.63
  6. Step 6: Final answer
    x = 16,449.86

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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.