Home / 43,800.96-65,707.38-14,209.14

Finding the Fourth Proportional to 43,800.96, 65,707.38 and 14,209.14

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Solution

The fourth proportional to 43,800.96, 65,707.38 and 14,209.14 is: 21,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,800.96 : 65,707.38 = 14,209.14 : x
  2. Step 2: Convert to fraction form
    43,800.96/65,707.38 = 14,209.14/x
  3. Step 3: Cross multiply
    43,800.96x = 65,707.38 × 14,209.14
  4. Step 4: Simplify right side
    43,800.96x = 933,645,361.45
  5. Step 5: Solve for x
    x = 933,645,361.45/43,800.96
  6. Step 6: Final answer
    x = 21,315.64

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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.