Home / 18,607.30-25,676.58-10,647.70

Finding the Fourth Proportional to 18,607.30, 25,676.58 and 10,647.70

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Solution

The fourth proportional to 18,607.30, 25,676.58 and 10,647.70 is: 14,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.30 : 25,676.58 = 10,647.70 : x
  2. Step 2: Convert to fraction form
    18,607.30/25,676.58 = 10,647.70/x
  3. Step 3: Cross multiply
    18,607.30x = 25,676.58 × 10,647.70
  4. Step 4: Simplify right side
    18,607.30x = 273,396,365.86
  5. Step 5: Solve for x
    x = 273,396,365.86/18,607.30
  6. Step 6: Final answer
    x = 14,692.97

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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.