Home / 19,646.64-27,112.34-10,694.12

Finding the Fourth Proportional to 19,646.64, 27,112.34 and 10,694.12

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Solution

The fourth proportional to 19,646.64, 27,112.34 and 10,694.12 is: 14,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.64 : 27,112.34 = 10,694.12 : x
  2. Step 2: Convert to fraction form
    19,646.64/27,112.34 = 10,694.12/x
  3. Step 3: Cross multiply
    19,646.64x = 27,112.34 × 10,694.12
  4. Step 4: Simplify right side
    19,646.64x = 289,942,428.41
  5. Step 5: Solve for x
    x = 289,942,428.41/19,646.64
  6. Step 6: Final answer
    x = 14,757.86

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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.