Home / 18,676.08-25,755.66-13,632.32

Finding the Fourth Proportional to 18,676.08, 25,755.66 and 13,632.32

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Solution

The fourth proportional to 18,676.08, 25,755.66 and 13,632.32 is: 18,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.08 : 25,755.66 = 13,632.32 : x
  2. Step 2: Convert to fraction form
    18,676.08/25,755.66 = 13,632.32/x
  3. Step 3: Cross multiply
    18,676.08x = 25,755.66 × 13,632.32
  4. Step 4: Simplify right side
    18,676.08x = 351,109,398.93
  5. Step 5: Solve for x
    x = 351,109,398.93/18,676.08
  6. Step 6: Final answer
    x = 18,799.95

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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.