Home / 19,082.27-28,614.51-11,187.20

Finding the Fourth Proportional to 19,082.27, 28,614.51 and 11,187.20

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Solution

The fourth proportional to 19,082.27, 28,614.51 and 11,187.20 is: 16,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.27 : 28,614.51 = 11,187.20 : x
  2. Step 2: Convert to fraction form
    19,082.27/28,614.51 = 11,187.20/x
  3. Step 3: Cross multiply
    19,082.27x = 28,614.51 × 11,187.20
  4. Step 4: Simplify right side
    19,082.27x = 320,116,246.27
  5. Step 5: Solve for x
    x = 320,116,246.27/19,082.27
  6. Step 6: Final answer
    x = 16,775.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.