Home / 18,126.14-25,039.32-17,180.30

Finding the Fourth Proportional to 18,126.14, 25,039.32 and 17,180.30

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Solution

The fourth proportional to 18,126.14, 25,039.32 and 17,180.30 is: 23,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.14 : 25,039.32 = 17,180.30 : x
  2. Step 2: Convert to fraction form
    18,126.14/25,039.32 = 17,180.30/x
  3. Step 3: Cross multiply
    18,126.14x = 25,039.32 × 17,180.30
  4. Step 4: Simplify right side
    18,126.14x = 430,183,029.40
  5. Step 5: Solve for x
    x = 430,183,029.40/18,126.14
  6. Step 6: Final answer
    x = 23,732.74

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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.