Home / 19,727.46-27,223.83-11,770.02

Finding the Fourth Proportional to 19,727.46, 27,223.83 and 11,770.02

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Solution

The fourth proportional to 19,727.46, 27,223.83 and 11,770.02 is: 16,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.46 : 27,223.83 = 11,770.02 : x
  2. Step 2: Convert to fraction form
    19,727.46/27,223.83 = 11,770.02/x
  3. Step 3: Cross multiply
    19,727.46x = 27,223.83 × 11,770.02
  4. Step 4: Simplify right side
    19,727.46x = 320,425,023.58
  5. Step 5: Solve for x
    x = 320,425,023.58/19,727.46
  6. Step 6: Final answer
    x = 16,242.59

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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.