Home / 18,582.72-25,633.44-11,126.40

Finding the Fourth Proportional to 18,582.72, 25,633.44 and 11,126.40

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Solution

The fourth proportional to 18,582.72, 25,633.44 and 11,126.40 is: 15,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.72 : 25,633.44 = 11,126.40 : x
  2. Step 2: Convert to fraction form
    18,582.72/25,633.44 = 11,126.40/x
  3. Step 3: Cross multiply
    18,582.72x = 25,633.44 × 11,126.40
  4. Step 4: Simplify right side
    18,582.72x = 285,207,906.82
  5. Step 5: Solve for x
    x = 285,207,906.82/18,582.72
  6. Step 6: Final answer
    x = 15,348.02

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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.