Home / 41,766.80-62,652.60-12,189.20

Finding the Fourth Proportional to 41,766.80, 62,652.60 and 12,189.20

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Solution

The fourth proportional to 41,766.80, 62,652.60 and 12,189.20 is: 18,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,766.80 : 62,652.60 = 12,189.20 : x
  2. Step 2: Convert to fraction form
    41,766.80/62,652.60 = 12,189.20/x
  3. Step 3: Cross multiply
    41,766.80x = 62,652.60 × 12,189.20
  4. Step 4: Simplify right side
    41,766.80x = 763,685,071.92
  5. Step 5: Solve for x
    x = 763,685,071.92/41,766.80
  6. Step 6: Final answer
    x = 18,284.50

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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.