Home / 18,682.17-25,781.05-10,616.59

Finding the Fourth Proportional to 18,682.17, 25,781.05 and 10,616.59

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Solution

The fourth proportional to 18,682.17, 25,781.05 and 10,616.59 is: 14,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.17 : 25,781.05 = 10,616.59 : x
  2. Step 2: Convert to fraction form
    18,682.17/25,781.05 = 10,616.59/x
  3. Step 3: Cross multiply
    18,682.17x = 25,781.05 × 10,616.59
  4. Step 4: Simplify right side
    18,682.17x = 273,706,837.62
  5. Step 5: Solve for x
    x = 273,706,837.62/18,682.17
  6. Step 6: Final answer
    x = 14,650.70

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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.