Home / 25,358.45-34,983-16,408.89

Finding the Fourth Proportional to 25,358.45, 34,983 and 16,408.89

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Solution

The fourth proportional to 25,358.45, 34,983 and 16,408.89 is: 22,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.45 : 34,983 = 16,408.89 : x
  2. Step 2: Convert to fraction form
    25,358.45/34,983 = 16,408.89/x
  3. Step 3: Cross multiply
    25,358.45x = 34,983 × 16,408.89
  4. Step 4: Simplify right side
    25,358.45x = 574,032,198.87
  5. Step 5: Solve for x
    x = 574,032,198.87/25,358.45
  6. Step 6: Final answer
    x = 22,636.73

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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.