Home / 43,847.24-65,777.20-13,851.32

Finding the Fourth Proportional to 43,847.24, 65,777.20 and 13,851.32

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Solution

The fourth proportional to 43,847.24, 65,777.20 and 13,851.32 is: 20,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,847.24 : 65,777.20 = 13,851.32 : x
  2. Step 2: Convert to fraction form
    43,847.24/65,777.20 = 13,851.32/x
  3. Step 3: Cross multiply
    43,847.24x = 65,777.20 × 13,851.32
  4. Step 4: Simplify right side
    43,847.24x = 911,101,045.90
  5. Step 5: Solve for x
    x = 911,101,045.90/43,847.24
  6. Step 6: Final answer
    x = 20,778.98

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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.