Home / 43,449.08-65,174.75-13,866.87

Finding the Fourth Proportional to 43,449.08, 65,174.75 and 13,866.87

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Solution

The fourth proportional to 43,449.08, 65,174.75 and 13,866.87 is: 20,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,449.08 : 65,174.75 = 13,866.87 : x
  2. Step 2: Convert to fraction form
    43,449.08/65,174.75 = 13,866.87/x
  3. Step 3: Cross multiply
    43,449.08x = 65,174.75 × 13,866.87
  4. Step 4: Simplify right side
    43,449.08x = 903,769,716.20
  5. Step 5: Solve for x
    x = 903,769,716.20/43,449.08
  6. Step 6: Final answer
    x = 20,800.67

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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.