Home / 12,459.38-18,692.70-4,025.69

Finding the Fourth Proportional to 12,459.38, 18,692.70 and 4,025.69

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Solution

The fourth proportional to 12,459.38, 18,692.70 and 4,025.69 is: 6,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.38 : 18,692.70 = 4,025.69 : x
  2. Step 2: Convert to fraction form
    12,459.38/18,692.70 = 4,025.69/x
  3. Step 3: Cross multiply
    12,459.38x = 18,692.70 × 4,025.69
  4. Step 4: Simplify right side
    12,459.38x = 75,250,922.00
  5. Step 5: Solve for x
    x = 75,250,922.00/12,459.38
  6. Step 6: Final answer
    x = 6,039.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.