Home / 19,763.58-27,274.13-10,811.05

Finding the Fourth Proportional to 19,763.58, 27,274.13 and 10,811.05

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Solution

The fourth proportional to 19,763.58, 27,274.13 and 10,811.05 is: 14,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.58 : 27,274.13 = 10,811.05 : x
  2. Step 2: Convert to fraction form
    19,763.58/27,274.13 = 10,811.05/x
  3. Step 3: Cross multiply
    19,763.58x = 27,274.13 × 10,811.05
  4. Step 4: Simplify right side
    19,763.58x = 294,861,983.14
  5. Step 5: Solve for x
    x = 294,861,983.14/19,763.58
  6. Step 6: Final answer
    x = 14,919.46

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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.