Home / 19,694.92-27,178.16-10,742.26

Finding the Fourth Proportional to 19,694.92, 27,178.16 and 10,742.26

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Solution

The fourth proportional to 19,694.92, 27,178.16 and 10,742.26 is: 14,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.92 : 27,178.16 = 10,742.26 : x
  2. Step 2: Convert to fraction form
    19,694.92/27,178.16 = 10,742.26/x
  3. Step 3: Cross multiply
    19,694.92x = 27,178.16 × 10,742.26
  4. Step 4: Simplify right side
    19,694.92x = 291,954,861.04
  5. Step 5: Solve for x
    x = 291,954,861.04/19,694.92
  6. Step 6: Final answer
    x = 14,823.87

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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.