Home / 19,694.34-27,178.85-11,196.81

Finding the Fourth Proportional to 19,694.34, 27,178.85 and 11,196.81

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Solution

The fourth proportional to 19,694.34, 27,178.85 and 11,196.81 is: 15,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.34 : 27,178.85 = 11,196.81 : x
  2. Step 2: Convert to fraction form
    19,694.34/27,178.85 = 11,196.81/x
  3. Step 3: Cross multiply
    19,694.34x = 27,178.85 × 11,196.81
  4. Step 4: Simplify right side
    19,694.34x = 304,316,447.46
  5. Step 5: Solve for x
    x = 304,316,447.46/19,694.34
  6. Step 6: Final answer
    x = 15,451.97

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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.