Home / 43,476.75-65,191.16-13,482.69

Finding the Fourth Proportional to 43,476.75, 65,191.16 and 13,482.69

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Solution

The fourth proportional to 43,476.75, 65,191.16 and 13,482.69 is: 20,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,476.75 : 65,191.16 = 13,482.69 : x
  2. Step 2: Convert to fraction form
    43,476.75/65,191.16 = 13,482.69/x
  3. Step 3: Cross multiply
    43,476.75x = 65,191.16 × 13,482.69
  4. Step 4: Simplify right side
    43,476.75x = 878,951,990.26
  5. Step 5: Solve for x
    x = 878,951,990.26/43,476.75
  6. Step 6: Final answer
    x = 20,216.60

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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.