Home / 19,582.38-27,023.68-11,198.88

Finding the Fourth Proportional to 19,582.38, 27,023.68 and 11,198.88

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Solution

The fourth proportional to 19,582.38, 27,023.68 and 11,198.88 is: 15,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.38 : 27,023.68 = 11,198.88 : x
  2. Step 2: Convert to fraction form
    19,582.38/27,023.68 = 11,198.88/x
  3. Step 3: Cross multiply
    19,582.38x = 27,023.68 × 11,198.88
  4. Step 4: Simplify right side
    19,582.38x = 302,634,949.48
  5. Step 5: Solve for x
    x = 302,634,949.48/19,582.38
  6. Step 6: Final answer
    x = 15,454.45

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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.