Home / 19,763.91-27,274.18-10,811.38

Finding the Fourth Proportional to 19,763.91, 27,274.18 and 10,811.38

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Solution

The fourth proportional to 19,763.91, 27,274.18 and 10,811.38 is: 14,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.91 : 27,274.18 = 10,811.38 : x
  2. Step 2: Convert to fraction form
    19,763.91/27,274.18 = 10,811.38/x
  3. Step 3: Cross multiply
    19,763.91x = 27,274.18 × 10,811.38
  4. Step 4: Simplify right side
    19,763.91x = 294,871,524.17
  5. Step 5: Solve for x
    x = 294,871,524.17/19,763.91
  6. Step 6: Final answer
    x = 14,919.70

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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.