Home / 25,676.29-35,435.91-18,512.11

Finding the Fourth Proportional to 25,676.29, 35,435.91 and 18,512.11

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Solution

The fourth proportional to 25,676.29, 35,435.91 and 18,512.11 is: 25,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.29 : 35,435.91 = 18,512.11 : x
  2. Step 2: Convert to fraction form
    25,676.29/35,435.91 = 18,512.11/x
  3. Step 3: Cross multiply
    25,676.29x = 35,435.91 × 18,512.11
  4. Step 4: Simplify right side
    25,676.29x = 655,993,463.87
  5. Step 5: Solve for x
    x = 655,993,463.87/25,676.29
  6. Step 6: Final answer
    x = 25,548.61

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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.