Home / 18,712.44-25,832.52-11,641.14

Finding the Fourth Proportional to 18,712.44, 25,832.52 and 11,641.14

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Solution

The fourth proportional to 18,712.44, 25,832.52 and 11,641.14 is: 16,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.44 : 25,832.52 = 11,641.14 : x
  2. Step 2: Convert to fraction form
    18,712.44/25,832.52 = 11,641.14/x
  3. Step 3: Cross multiply
    18,712.44x = 25,832.52 × 11,641.14
  4. Step 4: Simplify right side
    18,712.44x = 300,719,981.87
  5. Step 5: Solve for x
    x = 300,719,981.87/18,712.44
  6. Step 6: Final answer
    x = 16,070.59

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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.