Home / 43,625.18-65,382.80-18,635.67

Finding the Fourth Proportional to 43,625.18, 65,382.80 and 18,635.67

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Solution

The fourth proportional to 43,625.18, 65,382.80 and 18,635.67 is: 27,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,625.18 : 65,382.80 = 18,635.67 : x
  2. Step 2: Convert to fraction form
    43,625.18/65,382.80 = 18,635.67/x
  3. Step 3: Cross multiply
    43,625.18x = 65,382.80 × 18,635.67
  4. Step 4: Simplify right side
    43,625.18x = 1,218,452,191.30
  5. Step 5: Solve for x
    x = 1,218,452,191.30/43,625.18
  6. Step 6: Final answer
    x = 27,930.02

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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.