Home / 43,509.48-65,232.30-13,910.28

Finding the Fourth Proportional to 43,509.48, 65,232.30 and 13,910.28

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Solution

The fourth proportional to 43,509.48, 65,232.30 and 13,910.28 is: 20,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,509.48 : 65,232.30 = 13,910.28 : x
  2. Step 2: Convert to fraction form
    43,509.48/65,232.30 = 13,910.28/x
  3. Step 3: Cross multiply
    43,509.48x = 65,232.30 × 13,910.28
  4. Step 4: Simplify right side
    43,509.48x = 907,399,558.04
  5. Step 5: Solve for x
    x = 907,399,558.04/43,509.48
  6. Step 6: Final answer
    x = 20,855.21

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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.