Home / 43,566.75-65,352.54-12,399.57

Finding the Fourth Proportional to 43,566.75, 65,352.54 and 12,399.57

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Solution

The fourth proportional to 43,566.75, 65,352.54 and 12,399.57 is: 18,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,566.75 : 65,352.54 = 12,399.57 : x
  2. Step 2: Convert to fraction form
    43,566.75/65,352.54 = 12,399.57/x
  3. Step 3: Cross multiply
    43,566.75x = 65,352.54 × 12,399.57
  4. Step 4: Simplify right side
    43,566.75x = 810,343,394.41
  5. Step 5: Solve for x
    x = 810,343,394.41/43,566.75
  6. Step 6: Final answer
    x = 18,600.04

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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.