Home / 43,210.44-64,827-13,629.24

Finding the Fourth Proportional to 43,210.44, 64,827 and 13,629.24

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Solution

The fourth proportional to 43,210.44, 64,827 and 13,629.24 is: 20,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,210.44 : 64,827 = 13,629.24 : x
  2. Step 2: Convert to fraction form
    43,210.44/64,827 = 13,629.24/x
  3. Step 3: Cross multiply
    43,210.44x = 64,827 × 13,629.24
  4. Step 4: Simplify right side
    43,210.44x = 883,542,741.48
  5. Step 5: Solve for x
    x = 883,542,741.48/43,210.44
  6. Step 6: Final answer
    x = 20,447.44

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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.