Home / 19,763.18-27,273.87-10,811.24

Finding the Fourth Proportional to 19,763.18, 27,273.87 and 10,811.24

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Solution

The fourth proportional to 19,763.18, 27,273.87 and 10,811.24 is: 14,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.18 : 27,273.87 = 10,811.24 : x
  2. Step 2: Convert to fraction form
    19,763.18/27,273.87 = 10,811.24/x
  3. Step 3: Cross multiply
    19,763.18x = 27,273.87 × 10,811.24
  4. Step 4: Simplify right side
    19,763.18x = 294,864,354.30
  5. Step 5: Solve for x
    x = 294,864,354.30/19,763.18
  6. Step 6: Final answer
    x = 14,919.88

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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.