Home / 19,628.28-27,086.49-10,676.16

Finding the Fourth Proportional to 19,628.28, 27,086.49 and 10,676.16

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Solution

The fourth proportional to 19,628.28, 27,086.49 and 10,676.16 is: 14,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.28 : 27,086.49 = 10,676.16 : x
  2. Step 2: Convert to fraction form
    19,628.28/27,086.49 = 10,676.16/x
  3. Step 3: Cross multiply
    19,628.28x = 27,086.49 × 10,676.16
  4. Step 4: Simplify right side
    19,628.28x = 289,179,701.08
  5. Step 5: Solve for x
    x = 289,179,701.08/19,628.28
  6. Step 6: Final answer
    x = 14,732.81

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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.