Home / 38,459.94-57,692.01-12,162.72

Finding the Fourth Proportional to 38,459.94, 57,692.01 and 12,162.72

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Solution

The fourth proportional to 38,459.94, 57,692.01 and 12,162.72 is: 18,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459.94 : 57,692.01 = 12,162.72 : x
  2. Step 2: Convert to fraction form
    38,459.94/57,692.01 = 12,162.72/x
  3. Step 3: Cross multiply
    38,459.94x = 57,692.01 × 12,162.72
  4. Step 4: Simplify right side
    38,459.94x = 701,691,763.87
  5. Step 5: Solve for x
    x = 701,691,763.87/38,459.94
  6. Step 6: Final answer
    x = 18,244.74

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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.