Home / 25,161.75-34,722.90-13,676.58

Finding the Fourth Proportional to 25,161.75, 34,722.90 and 13,676.58

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Solution

The fourth proportional to 25,161.75, 34,722.90 and 13,676.58 is: 18,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.75 : 34,722.90 = 13,676.58 : x
  2. Step 2: Convert to fraction form
    25,161.75/34,722.90 = 13,676.58/x
  3. Step 3: Cross multiply
    25,161.75x = 34,722.90 × 13,676.58
  4. Step 4: Simplify right side
    25,161.75x = 474,890,519.68
  5. Step 5: Solve for x
    x = 474,890,519.68/25,161.75
  6. Step 6: Final answer
    x = 18,873.51

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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.