Home / 19,580.39-27,020.87-11,082.28

Finding the Fourth Proportional to 19,580.39, 27,020.87 and 11,082.28

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Solution

The fourth proportional to 19,580.39, 27,020.87 and 11,082.28 is: 15,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.39 : 27,020.87 = 11,082.28 : x
  2. Step 2: Convert to fraction form
    19,580.39/27,020.87 = 11,082.28/x
  3. Step 3: Cross multiply
    19,580.39x = 27,020.87 × 11,082.28
  4. Step 4: Simplify right side
    19,580.39x = 299,452,847.18
  5. Step 5: Solve for x
    x = 299,452,847.18/19,580.39
  6. Step 6: Final answer
    x = 15,293.51

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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.